Smithsonian MoF no.3

(selected) covers with
Smithsonian Institution
"Milestones of Flight"
numbered cachets


This page contains (selected) covers with Smithsonian Institution "Milestones of Flight" numbered cachets produced by the Smithsonian Institution to mark satellite launches and other space-related events. Those covers include this Smithsonian Institution "Milestones of Flight" numbered logo on the front.

Many 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 not items 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)
Smithsonian Institution "Milestones of Flight" cachets Smithsonian Institution "Milestones of Flight" cachets


Below is a list of Smithsonian Institution "Milestones of Flight" cachets on postal items (stamps, souvenir sheets, aerogrammes, postal cards, etc.).

CountryCatalog NumberType of ItemYear of IssueNotes on Content
Smithsonian Institution "Milestones of Flight" cachets (on (non-launch cover) postal items)
"Milestones of Flight" numbers that are missing from this list, and the table below, are being sought
United StatesNone(MoF no.1) cachet on cover, also back197225th anniv. supersonic flight
United StatesNone(MoF no.1) cachet (and signature) on cover, also back
United StatesNone(MoF no.6) cachet on cover197340th anniv. Post's 1933 solo around-the-world flight
United StatesNone(MoF no.21) cachet on cover197445th anniv. Byrd's South Pole flight
United StatesNone(MoF no.37) cachet on cover197650th anniv. Goddard testing first liquid-propelled rocket, 1926 (common design)
United States1710 fdc (Mi1298 fdc)(MoF no.51) cachet on FDC1977"50th anniversary [Lindbergh's] solo transatlantic flight" and Spirit of St. Louis
FranceNone(MoF no.55) cachet on cover1977125th anniv. Giffard airship; a similar airship was later flown by the Tissandier brothers
Great BritainNone(MoF no.83) cachet on cover1980195th anniv. Blanchard and Jeffries' balloon crossing of the English Channel
Germany (West)None(MoF no.96) cachet on cover198150th anniv. Auguste Piccard's 1931 flight; inaccurate drawing of balloon FNRS


Below is a list of Smithsonian Institution "Milestones of Flight" cachets on launch covers (including anniversary-of-launch covers, and launch-related event covers).

CountryCancel DateCancel LocationType of ItemNotes on Content
Smithsonian Institution "Milestones of Flight" numbered cachets (many on un-manned satellite launch or event covers)
"Milestones of Flight" numbers that are missing from this list, and the table above, are being sought
United States1973-01-31Redstone Arsenal AL(MoF no.3) cachet on cover, also insert and insert back15th anniv. Explorer-1 launch
United States1973-03-17Cape Canaveral FL(MoF no.4) cachet on cover, also insert and insert back15th anniv. Vanguard-1 launch
United States1974-03-03Cape Canaveral FL(MoF no.13) cachet on cover, also insert top and insert bottom and insert back5th anniv. Apollo-9 launch
United States1974-08-14Cape Canaveral FL(MoF no.18) cachet on cover, also insert and insert back15th anniv. Explorer-6 first televised image
United States1975-02-14Kennedy Space Center FL(MoF no.24) cachet on cover10th anniv. Pegasus-1 launch
United States1975-02-14Kennedy Space Center FL(MoF no.24 and black rubber-stamp) cachet on cover, also insert
United States1975-04-01Kennedy Space Center FL(MoF no.26) cachet on cover, also insert1, insert1 back, and insert215th anniv. TIROS-1 launch
United States1975-07-14Kennedy Space Center FL(MoF no.29) cachet on cover, also insert and insert back10th anniv. Mariner-4 flyby of Mars
United States1975-08-12Kennedy Space Center FL(MoF no.30) cachet on cover15th anniv. Echo-1 launch
United States1976-06-02Kennedy Space Center FL(MoF no.40) cachet on cover10th anniv. Surveyor-1 lunar landing
United States1976-11-13Kennedy Space Center FL(MoF no.45) cachet on cover, also insert (partial)5th anniv. Mariner-9 entry into Mars orbit
United States1977-02-20
1962-02-20
Orlando FL, Kennedy Space Center Branch
Cape Canaveral FL
(MoF no.48) cachet on cover, also insert and insert back15th anniv. Mercury MA-6 launch
USA 1193 FDC
Russia (USSR)1977-10-04Moscow PO(MoF no.56) cachet on cover20th anniv. Sputnik-1 launch
United States1978-01-31Cape Canaveral FL(MoF no.59) cachet on cover20th anniv. Explorer-1 launch
United States1978-11-03Kennedy Space Center FL(MoF no.67) cachet on cover, also insert and insert back5th anniv. Mariner-10 launch
United States1979-07-16Kennedy Space Center FL(MoF no.75) cachet on cover10th anniv. Apollo-11 launch
United States1979-07-28Kennedy Space Center FL(MoF no.77) cachet on cover, also insert15th anniv. Ranger-7 launch
United States1980-07-24Kennedy Space Center FL(MoF no.90) cachet on cover30th anniv. Bumper-WAC-8 launch
United States1980-08-18Honolulu HI(MoF no.91) cachet on cover20th anniv. Discoverer-14 capsule recovery
United States1980-08-20Kennedy Space Center FL(MoF no.92) cachet on cover5th anniv. Viking-1 launch
United States1981-08-10Kennedy Space Center FL(MoF no.98) cachet on cover, also insert (partial)15th anniv. Lunar Orbiter-1 launch
Smithsonian MoF covers are known to exist thru no.100


Back to Featured cachet/cover types.
Back to Un-manned Satellite Philately.



Copyright © 2023-2024, Colorado State University. All rights reserved.
This Website created and maintained by Don Hillger and Garry Toth.
Updated: 2024-09-15