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This page contains (all known) covers with "Sokalsky" cachets produced by artist Barbara Sokalsky and manufacturer Edward Warchol, eventually sold to T.D. Productions, to mark satellite launches and other space-related events. Those covers most often include this logo. Here are examples of what may be the 7 most common generic Sokalsky logo designs, 5 of which are also found on this manufacturer's information sheet.
One of the Sokalsky generic cachet designs depicts Earth surrounded by 19 different rockets, in 6 different colors: black, blue, magenta, orange, purple, and red. An interesting detail of this cachet is that one of the rockets is the Jupiter-C that lofted Explorer-1 into orbit on 31 January, 1958. In this page, entries with this cachet are presented with two detail images in their Notes: one of the cachet itself, and the other with the cachet annotated to identify the Jupiter-C launch rocket with Explorer-1 mounted on top of it. This set of Sokalsky covers is an adjunct to the Explorer-1 page, which includes text that directs the user to this page in order to examine them.
Most of the postal items listed below are also found in other pages of the Un-manned Satellite Philately website. However, below are also a few items not found elsewhere in the website because they are not of direct interest to the authors. They are nevertheless included here to make this list of named covers more complete. Such items are highlighted in blue.
Readers who know of additional information or images are invited to contact the authors using the e-mail addresses found at the link at the bottom of this page.
| Launch covers (including anniversary-of-launch covers, and launch-related event covers) (farther below) |
Other postal items (stamps, souvenir sheets, aerogrammes, postal cards, etc.) (immediately below) |
|---|---|
| "Sokalsky" cachets | "Sokalsky" cachets |
Below is a list of "Sokalsky" cachets on postal items (stamps, souvenir sheets, aerogrammes, postal cards, etc.).
| Country | Catalog Number | Type of Item | Year of Issue | Notes on Content |
|---|---|---|---|---|
| "Sokalsky" cachets (on (non-launch cover) postal items) | ||||
| United States | 1036 cover (Mi? cover) | (Sokalsky black/TD Productions) cachet on cover | 1964 | TD Productions mailing envelope |
| United States | 1193 cover (Mi822 cover) | (Sokalsky black) cachet on cover | 1964 | "5th anniv. official NASA choosing of first team of astronauts" |
| United States | None | (Sokalsky blue) cachet on cover | 1966 | (possible) home town visit of Gemini-6A (not "Gemini-7") Astronaut Frank Borman |
Below is a list of "Sokalsky" cachets on postal items (stamps, souvenir sheets, aerogrammes, postal cards, etc.).
| Country | Cancel Date | Cancel Location | Type of Item | Notes on Content |
|---|---|---|---|---|
| "Sokalsky" cachets (mostly on un-manned satellite launch or event covers) | ||||
| United States | 1960-08-09 | Patrick AFB, FL | (Sokalsky blue) cachet on cover | Atlas-D (sub-orbital) rocket launch (but Telstar depicted) |
| United States | 1960-08-11 | Vandenberg AFB, CA | (Sokalsky purple) cachet on cover | Discoverer-13 capsule recovery |
| United States | 1960-09-15 | Patrick AFB, FL | (Sokalsky black) cachet on cover | Polaris (sub-orbital) rocket launch (but Telstar depicted) |
| United States | 1961-03-09 | Patrick AFB, FL | (Sokalsky magenta, and black rubber-stamp) cachet on cover | Redstone (sub-orbital) rocket launch |
| United States | 1961-03-09 | Patrick AFB, FL | (Sokalsky red) cachet on cover | |
| United States | 1960-11-17 | Patrick AFB, FL | (Sokalsky blue) cachet on cover | Polaris (sub-orbital) rocket launch (but Telstar depicted) |
| United States | 1961-02-24 | Patrick AFB, FL | (Sokalsky red) cachet on cover | Atlas-E (sub-orbital) rocket launch |
| United States | 1961-11-15 | Port Canaveral FL | (Sokalsky black, and black rubber-stamp) cachet on cover | Transit-4B and TRAAC launch |
| United States | 1962-04-23 | Port Canaveral FL | (Sokalsky red and green and black) cachet on cover | Ranger-4 launch |
| United States | 1962-04-26 | Port Canaveral FL | (Sokalsky red) cachet on cover | Ariel-1 launch |
| United States | 1962-04-27 | Port Canaveral FL | (Sokalsky blue) cachet (different) on cover | Ariel-1 launch (but Telstar depicted) |
| United States | 1962-05-09 | Port Canaveral FL | (Sokalsky blue) cachet on cover | Pershing-1 (sub-orbital) rocket launch (but Telstar depicted) |
| United States | 1962-05-24 | Port Canaveral FL (hand cancel) | (Sokalsky black and red) cachet on cover | Mercury-MA-7 launch (tethered balloon depicted) |
| United States | 1962-05-24 | Port Canaveral FL (machine cancel) | (Sokalsky black and red) cachet on cover | |
| United States | 1962-05-24 2022-05-24 | Port Canaveral FL (machine cancel) Kennedy Space Center FL (hand cancel) | (Sokalsky black and red) cachet on cover (Ranski 2nd cancel) | |
| United States | 1962-06-19 | Port Canaveral FL | (Sokalsky black) cachet on cover | TIROS-5 launch |
| United States | 1962-07-10 | Port Canaveral FL (machine cancel) | (Sokalsky blue) cachet on cover | Telstar-1 launch |
| United States | 1962-07-10 | Port Canaveral FL (machine cancel) | (Sokalsky blue) cachet (and signature) on cover | |
| United States | 1962-07-10 | Port Canaveral FL (hand cancel) | (Sokalsky blue) cachet on cover | |
| United States | 1962-07-10 | Port Canaveral FL (hand cancel) | (Sokalsky blue) cachet (and signature, different) on cover | |
| United States | 1962-07-18 | Port Canaveral FL | (Sokalsky orange) cachet on cover | Thor-DSV-2D (sub-orbital) rocket launch |
| United States | 1962-07-22 | Port Canaveral FL | (Sokalsky blue) cachet on cover | Mariner-1 launch [failed] |
| United States | 1962-07-22 | Patrick AFB, FL | (Sokalsky green, and cyan rubber-stamp) cachet (different) on cover | |
| United States | 1962-08-11 | Patrick AFB, FL | (Sokalsky red, and black typed) cachet on cover | Mercury-MA-8 pre-launch event: (also 19 rockets including Jupiter-C with Explorer-1) |
| United States | 1962-08-27 | Port Canaveral FL | (Sokalsky purple) cachet on cover | Mariner-2 launch |
| United States | 1962-09-19 | Patrick AFB, FL | (Sokalsky blue) cachet on cover | Atlas-F (sub-orbital) rocket launch (but Telstar depicted) |
| United States | 1962-09-18 | Cape Canaveral FL | (Sokalsky purple) cachet on cover | TIROS-6 launch |
| United States | 1962-10-03 | USS Lake Champlain | (Sokalsky dark-purple) cachet on cover | Mercury-MA-8 splashdown/recovery |
| Chile | 1963-05-15 | Antofagasta | (Sokalsky blue, and black rubber-stamp and black typed) cachet on cover | Mercury-MA-9 launch (no mention of Flashing Light Unit or Mercury Balloon-2 deployments) |
| United States | 1963-05-15 1963-05-16 | Cape Canaveral FL (machine cancel) Cape Canaveral FL (hand cancel) | (Sokalsky black) cachet on cover | Mercury-MA-9 launch (but Telstar depicted) Mercury-MA-9 splashdown/recovery (no mention of Flashing Light Unit or Mercury Balloon-2 deployments) |
| United States | 1963-05-16 | USS Kearsarge | (Sokalsky black) cachet on cover | Mercury-MA-9 splashdown/recovery |
| United States | 1963-06-19 | Cape Canaveral FL | (Sokalsky purple) cachet on cover | TIROS-7 launch |
| United States | 1963-12-12 | Cape Canaveral FL | (Sokalsky black, and red rubber-stamp) cachet on cover | Titan-2 (sub-orbital) rocket launch |
| United States | 1963-12-21 | Patrick AFB, FL | (Sokalsky black, and black rubber-stamp) cachet on cover | TIROS-8 launch; (also 19 rockets including Jupiter-C with Explorer-1) |
| United States | 1963-12-21 | Cape Canaveral FL | (Sokalsky black, and black rubber-stamp) cachet on cover | |
| United States | 1964-01-15 | Cape Canaveral FL | (Sokalsky green) cachet on cover | Titan-2 (sub-orbital) rocket launch |
| United States | 1964-01-21 | Cape Canaveral FL (hand cancel) | (Sokalsky purple) cachet on cover | Relay-2 launch; (also 19 rockets including Jupiter-C with Explorer-1) |
| United States | 1964-01-21 | Cape Canaveral FL (machine cancel) | (Sokalsky purple) cachet on cover | |
| United States | 1964-01-21 | Cape Canaveral FL (hand cancel) | (Sokalsky blue, and red rubber-stamp) cachet on cover | Relay-2 launch; (also 19 rockets including Jupiter-C with Explorer-1) |
| United States | 1964-01-29 | Cape Canaveral FL (machine cancel) | (Sokalsky dark blue, and red rubber-stamp) cachet on cover | Saturn-SA-5 launch |
| United States | 1964-01-29 | Cape Canaveral FL (hand cancel) | (Sokalsky dark purple) cachet on cover | |
| United States | 1964-01-29 | Cape Canaveral FL (machine cancel) | (Sokalsky black) cachet on cover | |
| United States | 1964-01-30 | Cape Canaveral FL | (Sokalsky magenta, and black rubber-stamp) cachet (and signatures) on cover | Ranger-6 launch; (also 19 rockets including Jupiter-C with Explorer-1) |
| United States | 1964-03-13 | Cape Canaveral FL | (Sokalsky green) cachet on cover | Blue-Scout (sub-orbital) rocket launch |
| United States | 1964-03-19 | Cape Canaveral FL | (Sokalsky red) cachet on cover | Explorer-S66 launch [failed] |
| United States | 1964-03-19 | Cape Canaveral FL | (Sokalsky green) cachet (different) on cover | |
| United States | 1964-04-08 | Cape Canaveral FL | (Sokalsky blue) cachet on cover | Gemini-Titan GT-1 launch |
| United States | 1964-04-21 | Vandenberg AFB, CA | (Sokalsky blue, and blue and red rubber-stamp) cachet on cover | Transit-5B-3 and Transit-5E-2 launch [failed] |
| United States | 1964-05-19 | Edwards CA | (Sokalsky black) cachet on cover | M2-F1 lifting body flight (not "X-20 Experimental Re-entry" as in text) |
| United States | 1964-05-28 | Cape Canaveral FL | (Sokalsky purple) cachet on cover | Saturn-SA-6 launch |
| United States | 1964-06-04 | Vandenberg AFB, CA | (Sokalsky blue, and blue rubber-stamp) cachet on cover | KH4A-6 launch ("secret") |
| United States | 1964-06-30 | Cape Canaveral FL | (Sokalsky black, no logo) cachet on cover | Atlas-Centaur (sub-orbital) rocket launch |
| United States | 1964-07-17 | Cape Canaveral FL (machine cancel) | (Sokalsky orange) cachet on cover | US-ERS-13 and Vela-3/4 launch; (also 19 rockets including Jupiter-C with Explorer-1) |
| United States | 1964-07-17 | Cape Canaveral FL (hand cancel) | (Sokalsky orange) cachet on cover | |
| United States | 1964-07-28 | Cape Canaveral FL | (Sokalsky green) cachet on cover | Ranger-7 launch | launch
| United States | 1964-07-28 | Cape Canaveral FL | (Sokalsky blue) cachet (different design) on cover | |
| United States | 1964-09-01 | Cape Canaveral FL (hand cancel) | (Sokalsky blue and red) cachet on cover; this cover also found in an Exquisite envelope | Transtage-1 launch |
| United States | 1964-09-01 | Cape Canaveral FL (machine cancel) | (Sokalsky blue and red) cachet on cover | |
| United States | 1964-09-05 | Cape Canaveral FL (hand cancel) | (Sokalsky green) cachet on cover | OGO-1 launch |
| United States | 1964-09-05 | Cape Canaveral FL (machine cancel) | (Sokalsky black, and purple rubber-stamp) cachet (different) on cover | |
| United States | 1964-09-05 | Cape Canaveral FL | (Sokalsky blue) cachet (different) on cover | OGO-1 launch (but Telstar depicted) |
| United States | 1964-11-05 | Cape Canaveral FL | (Sokalsky green and black) cachet on cover | Mariner-3 launch [failed] |
| United States | 1964-12-10 | Cape Canaveral FL | (Sokalsky red and black) cachet on cover | Transtage-2 launch |
| United States | 1964-12-11 | Cape Canaveral FL (machine cancel) | (Sokalsky green and black printed, no logo) cachet on cover | Surveyor Model launch (Atlas-Centaur mission AC-4, failed) |
| United States | 1964-12-11 | Cape Canaveral FL (hand cancel) | (Sokalsky green and black printed, no logo) cachet (and signature) on cover | |
| United States | 1964-12-21 | Cape Canaveral FL | (Sokalsky red) cachet on cover | Explorer-26 (EPE-D) launch |
| United States | 1965-01-19 | Cape Canaveral FL | (Sokalsky black, no logo) cachet on cover | Gemini-Titan GT-2 launch |
| United States | 1965-01-22 | Cape Canaveral FL | (Sokalsky blue/by Exquisite) cachet on cover | TIROS-9 launch |
| United States | 1965-02-11 | Cape Canaveral FL | (Sokalsky red) cachet on cover | LES-1 launch |
| United States | 1965-02-16 | Cape Canaveral FL | (Sokalsky black) cachet on cover | Pegasus-1 launch (but Telstar depicted) |
| United States | 1965-02-23 | Cape Canaveral FL | (Sokalsky black) cachet on cover | Thor-DSV-2G (sub-orbital) rocket launch |
| United States | 1965-03-23 | Cape Canaveral FL | (Sokalsky black, no logo) cachet on cover | Gemini-3 launch |
| United States | 1965-03-23 | Cape Canaveral FL | (Sokalsky black, no logo, and blue printed) cachet (different) on cover | Gemini-3 launch |
| United States | 1965-04-06 | Cape Canaveral FL | (Sokalsky green and black) cachet on cover | Early Bird (Intelsat-1) launch |
| United States | 1965-04-06 | Cape Canaveral FL | (Sokalsky green and black) cachet (black shifted away from green) on cover | |
| United States | 1965-05-06 | Cape Canaveral FL | (Sokalsky black) cachet on cover | LES-2 and LCS-1 launch |
| United States | 1965-06-03 | Houston TX | (Sokalsky blue, and black rubber-stamp/Celestial red) cachet on cover | Gemini-4 launch |
| United States | 1965-06-03 | Cape Canaveral FL (machine cancel) | (Sokalsky orange, and black and blue rubber-stamp) cachet on cover | |
| United States | 1965-06-03 | Cape Canaveral FL (hand cancel) | (Sokalsky green) cachet (different) on cover | |
| United States | 1965-06-03 | Cape Canaveral FL (hand cancel) | (Sokalsky red) cachet (different) on cover | |
| United States | 1965-06-03 | Cape Canaveral FL (machine cancel) | (Sokalsky purple) cachet (different, and signature) on cover | |
| United States | 1965-06-03 | Cape Canaveral FL (hand cancel) | (Sokalsky orange) cachet (different) on cover | Gemini-4 launch; (also 19 rockets including Jupiter-C with Explorer-1) |
| United States | 1966-06-07 | Cape Canaveral FL | (Sokalsky green) cachet on cover | OGO-3 launch |
| United States | 1965-06-18 | Cape Canaveral FL | (Sokalsky black, no logo) cachet on cover | Transtage-5 launch |
| United States | 1965-07-02 | Cape Canaveral FL | (Sokalsky brown) cachet on cover | TIROS-10 launch |
| United States | 1965-07-02 | Cape Canaveral FL | (Sokalsky purple) cachet on cover | |
| United States | 1965-07-20 | Cape Canaveral FL | (Sokalsky red/Celestial red) cachet (but spelled "Celistial") on cover | US-ERS-17 and Vela-5/6 launch (but Telstar depicted) |
| United States | 1965-08-21 | Cape Canaveral FL | (Sokalsky red) cachet on cover | Gemini-5 (and REP) launch |
| United States | 1965-10-13 | Edwards CA | (Sokalsky purple) cachet on cover | X-15 test flight |
| United States | 1965-10-25 | Cape Canaveral FL | (Sokalsky black) cachet on cover | GATV-6 launch [failed] |
| United States | 1965-10-25 | Cape Canaveral FL | (Sokalsky purple-brown) cachet on cover | |
| United States | 1965-10-25 | Kennedy Space Center FL | (Sokalsky red, and blue rubber-stamp) cachet on cover | |
| United States | 1965-12-04 | Cape Canaveral FL | (Sokalsky purple/A Celestial Cachet purple rubber-stamp) cachet on cover | Gemini-7 launch |
| United States | 1965-12-12 1965-12-15 | Cape Canaveral FL Cape Canaveral FL | (Sokalsky dark-blue/A Celestial Cachet dark-blue, and blue and black rubber-stamp) cachet (and signatures) on cover | Gemini-6A launch abort Gemini-6A launch |
| United States | 1966-02-26 | Cape Canaveral FL | (Sokalsky red, and purple rubber-stamp) cachet on cover | Apollo-Saturn_AS-201 (sub-orbital) rocket launch; (also 19 rockets including Jupiter-C with Explorer-1) |
| United States | 1966-02-28 | Cape Canaveral FL | (Sokalsky green, no logo/Celestial/Jarrett? purple rubber-stamp) cachet (but spelled "Celistial") on cover | ESSA-2 launch |
| United States | 1966-04-08 | Cape Canaveral FL | (Sokalsky orange) cachet on cover | OAO-1 launch; (also 19 rockets including Jupiter-C with Explorer-1) |
| United States | 1966-04-08 | Cape Canaveral FL | (Sokalsky orange, and purple rubber-stamp) cachet on cover | |
| United States | 1966-07-18 | Cape Canaveral FL | (Sokalsky red) cachet on cover | GATV-10 and Gemini-10 separate launches |
| United States | 1966-08-10 | Cape Canaveral FL | (Sokalsky red) cachet on cover | Lunar Orbiter-1 launch |
| United States | 1966-09-12 | Cape Canaveral FL | (Sokalsky red) cachet on cover | GATV-11 (and Gemini-11) separate launches |
| United States | 1966-09-12 | Waimea HI | (Sokalsky green and black typed) cachet (and signature) on cover | |
| United States | 1966-09-12 | Cape Canaveral FL | (Sokalsky orange) cachet on cover | |
| United States | 1966-09-12 | Waimea HI | (Sokalsky orange and black typed) cachet (and signature) on cover | |
| United States | 1966-09-20 | Cape Canaveral FL | (Sokalsky green) cachet on cover | Surveyor-2 launch |
| United States | 1966-11-03 | Cape Canaveral FL | (Sokalsky red) cachet on cover | OV4-3, OV4-1R, OV4-1T, and OV1-6 launch |
| United States | 1966-11-07 | Cape Canaveral FL | (Sokalsky red, and purple rubber-stamp) cachet on cover | Lunar Orbiter-2 launch |
| United States | 1966-12-07 | Cape Canaveral FL | (Sokalsky green and purple rubber-stamp) cachet on cover | ATS-1 launch |
| United States | 1967-01-11 | Cape Canaveral FL | (Sokalsky green) cachet on cover | Intelsat-2-2 launch |
| United States | 1967-01-18 | Cape Canaveral FL | (Sokalsky green) cachet on cover | IDCSP-8/15 launch |
| United States | 1967-05-05 | Cape Canaveral FL | (Sokalsky green, and black hand-printed) cachet on cover | Lunar Orbiter-4 launch |
| United States | 1967-05-05 | Cape Canaveral FL | (Sokalsky blue, and black hand-printed) cachet (different) on cover | |
| United States | 1967-07-14 | Cape Canaveral FL (machine cancel) | (Sokalsky orange) cachet on cover | Surveyor-4 launch; (also 19 rockets including Jupiter-C with Explorer-1) |
| United States | 1967-07-14 | Cape Canaveral FL (hand cancel) | (Sokalsky green) cachet (different) on cover | Surveyor-4 launch |
| United States | 1967-07-19 | Cape Canaveral FL (hand cancel) | (Sokalsky red) cachet on cover | Explorer-35 (IMP-E/AIMP-2) launch |
| United States | 1967-07-19 | Cape Canaveral FL (machine cancel) | (Sokalsky green) cachet (different) on cover | |
| United States | 1967-08-01 | Cape Canaveral FL | (Sokalsky orange) cachet on cover | Lunar Orbiter-5 launch; (also 19 rockets including Jupiter-C with Explorer-1) |
| United States | 1967-09-08 | Cape Canaveral FL | (Sokalsky orange) cachet on cover | Biosatellite-2 launch; (also 19 rockets including Jupiter-C with Explorer-1) |
| United States | 1968-11-08 | Cape Canaveral FL | (Sokalsky purple and black typed) cachet on cover | Pioneer-9 launch (not "Pioneer-6", as in text) |
| United States | 1968-12-18 | Kennedy Space Center FL | (Sokalsky purple and magenta, no logo) cachet on cover | Intelsat-3-2 launch |
| United States | 1969-01-22 | Kennedy Space Center FL | (Blue printed, based on a Sokalsky design) cachet on cover | OSO-5 launch |
| United States | 1969-02-05 | Kennedy Space Center FL | (Green printed, based on a Sokalsky design) cachet on cover | Intelsat-3-3 launch |
| United States | 1969-03-13 | Kennedy Space Center FL | ((probable) Carlos Altgelt purple printed, based on a Sokalsky design) cachet on Apollo-9 event cover | Apollo-9 splashdown/recovery |
| United States | 1969-03-27 | Kennedy Space Center FL | (Cyan printed, based on a Sokalsky design) cachet on cover | Mariner-7 launch |
| United States | 1969-05-23 | Kennedy Space Center FL | (Red-brown printed, based on a Sokalsky design) cachet on cover | OV5-5/6/9 and Vela-9/10 launch |
| United States | 1969-07-16 | Cape Canaveral FL | (Sokalsky red) cachet (and signature) on cover | Apollo-11 launch |
| United States | 1969-11-21 | Kennedy Space Center FL | (Blue printed, based on a Sokalsky design) cachet on cover | Skynet-1A launch |
| United States | 1970-01-14 | Kennedy Space Center FL | (Blue printed, based on a Sokalsky design) cachet on cover | Intelsat-3-6 launch |
| United States | 1970-11-30 | Kennedy Space Center FL | (Blue printed, based on a Sokalsky design) cachet on cover | OAO-B launch [failed] |
| United States | 1971-02-03 | Kennedy Space Center FL | (Magenta printed, based on a Sokalsky design) cachet on cover | NATO-2B launch |
| United States | 1971-03-12 | Kennedy Space Center FL | (Cyan printed, based on a Sokalsky design) cachet on cover | Explorer-43 (IMP-H/IMP-6) launch |
| United States | 1971-05-05 | Kennedy Space Center FL | (Magenta printed, based on a Sokalsky design) cachet on cover | DSP-2 launch |
| United States | 1971-05-10 | Kennedy Space Center FL | (Blue printed, based on a Sokalsky design) cachet on cover | Mariner-8 launch [failed] |
| United States | 1971-08-07 | USS Okinawa | ((probable) Carlos Altgelt blue printed, based on a Sokalsky design) cachet on cover | Apollo-15 splashdown/recovery |
| United States | 1971-08-07 | USS Okinawa | ((probable) Carlos Altgelt magenta printed, based on a Sokalsky design) cachet on cover | |
| United States | 1971-08-07 | USS Okinawa | ((probable) Carlos Altgelt green printed, based on a Sokalsky design) cachet on cover | |
| United States | 1971-11-02 | Kennedy Space Center FL | (Green and brown rubber-stamp, based on a Sokalsky design) cachet on cover | DSCS-2-1/2 launch |
| United States | 1972-09-22 | Kennedy Space Center FL | (Black and magenta rubber-stamp, based on a Sokalsky design) cachet on cover | Explorer-47 (IMP-I/IMP-7) launch |
| United States | 1972-09-22 | Kennedy Space Center FL | (Magenta printed, based on a Sokalsky design) cachet on cover | |
| United States | 1972-11-09 | Kennedy Space Center FL | (Black rubber-stamp, based on a Sokalsky design) cachet on cover | Anik-A1 launch |
| United States | 1973-10-26 | Kennedy Space Center FL | (Brown and black rubber-stamp, based on a Sokalsky design) cachet on cover | Explorer-50 (IMP-J/IMP-8) launch |
| United States | 1976-06-25 | Kennedy Space Center FL | (Cyan printed, based on a Sokalsky design, and blue rubber-stamp) cachet on cover | DSP-6 launch |
| United States | 1977-02-07 | Kennedy Space Center FL | (Cyan printed, based on a Sokalsky design, and cyan and black typed) cachet on cover | DSP-7 launch |
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