InSight cruise

InSight (INterior exploration
using Seismic Investigations,
Geodesy and Heat Transport) spacecraft

InSight lander
InSight (cruise)InSight (lander)

This page contains philatelic information on the InSight (INterior exploration using Seismic Investigations, Geodesy and Heat Transport) spacecraft. Catalog numbers, years of issue, and notes are given when available. If readers know of additional information or images, please contact the authors using the e-mail addresses at the bottom of this page.

The InSight spacecraft is also known as Discovery-12, one of the NASA Discovery-series spacecraft.

The InSight spacecraft was accompanied by two cubesats: MarCO-A (MARs Cube One-A) / Wall-E and MarCO-B (MARs Cube One-B) / Eva.

Launch information
(found elsewhere)
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)
InSight InSight InSight
InSight (on other than InSight launch or event covers)


Below is a list of InSight (INterior exploration using Seismic Investigations, Geodesy and Heat Transport) spacecraft postal items (stamps, souvenir sheets, aerogrammes, postal cards, etc.).

CountryCatalog NumberType of ItemYear of IssueNotes on Content
InSight (INterior exploration using Seismic Investigations, Geodesy and Heat Transport)
BeninUnknown ss (BL none)SS1 [known illegal issue]2018"InSight"
BeninUnknown fdcSS1 and (multi-color printed) cachet on FDC
Djibouti1588b (Mi2679)One of MS4 (1588 (a-d)) (Mi2678-2681)2018"InSight"
FranceNone(Lettre-verte) personalized postage, from booklet of 10 (10x single)2018"InSight"
France6100a (Mi8049)In (surrounding) margin of MS15 (15x 6100), also annotated2021Mars InSight lander [#14]
GabonUnknown d (Mi?)One of MS4 (a-d)2019"Mars InSight"
GermanyNone(BiberPost) private post2018"InSight" launch
Ivory CoastUnknown d (Mi none)One of MS4 (a-d) [known illegal issue]2018"InSight"
Ivory CoastUnknown ss (BL none)SS1 [known illegal issue]
MadagascarUnknown a (Mi none)One of MS4 (a-d) [known illegal issue]2018"InSight"
MozambiqueMi10097-10100_ms4MS4 (Mi10097-10100)2019"InSight", "Cube One A" (MarCO-A), and "Cube One B" (MarCO-B)
MozambiqueMi10097-10100_ms4 fdcMS4 and (multi-color printed) cachet on FDC
MozambiqueBL1455SS1
MozambiqueBL1455 fdcSS1 and (multi-color printed) cachet (design like stamp on SS1) on FDC
United States5075 fdc (Mi5249 fdc)(Multi-color printed) cachet on FDC2016"InSight" touchdown/landing on Mars


Below is a list of InSight (INterior exploration using Seismic Investigations, Geodesy and Heat Transport) spacecraft launch covers (including anniversary-of-launch covers, and launch-related event covers).

CountryCancel DateCancel LocationType of ItemNotes on Content
InSight (pre-launch events)
United States2015-12-22Pasadena CA(Multi-color printed) cachet on coverInSight "launch scrubbed"
2018-05-05: InSight (INterior exploration using Seismic Investigations, Geodesy and Heat Transport) (and MarCO-A and MarCO-B)
United States2018-05-05Washington DC(blank/no) cachet on postcard, also backInSight launch
United States2018-05-05Vandenberg AFB, CA(Launch Station) cancel and (multi-color printed) cachet on coverInSight launch
United States2018-05-05Vandenberg AFB, CA(Launch Station) cancel and (multi-color printed) cachet (different) on coverInSight launch
United States2018-05-05Vandenberg AFB, CA(Launch Station) cancel and (multi-color printed) cachet (different) on coverInSight launch
United States2018-05-05Vandenberg AFB, CA(Launch Station) cancel and (Red Eagle) cachet on coverInSight launch
United States2018-05-05Pasadena CA(Red Eagle) cachet on coverInSight launch
United States2018-05-05Pasadena CA(Lollini) cachet on coverInSight launch
United States2018-05-05Vandenberg AFB, CA(Launch Station) cancel and (Lollini) cachet on coverInSight launch
InSight (events)
United States2018-11-26Sagamore Beach MA(Coverscape) cachet on cover"InSight lands on Mars"
United States2018-11-26St. Petersburg FL(Colorano silk) cachet on cover"InSight Mars lander arrives"
United States2018-11-26 (on cachet only)None (except USA 5075 FDC)(Multi-color printed) cachet on cover"Mars InSight Mission touchdown"
United States2018-11-26Pasadena CA(Mission on Mars Station) cancel and (Red Eagle) cachet on cover"Mars InSight Lander landing"
United States2018-11-26Pasadena CA(Mission on Mars Station) cancel and (multi-color printed) cachet on cover"InSight landed on Mars"
United States2018-11-26Pasadena CA(Mission on Mars Station) cancel and (multi-color printed) cachet (different) on coverMars "InSight has landed"
United States2018-11-26Pasadena CA(Mission on Mars Station) cancel and (multi-color printed) cachet (different) on coverMars "landing at Elysium Planitia"
United States2018-11-26Pasadena CA(Mission on Mars Station) cancel and (Thrifty) cachet on coverMars InSight landing
United States2018-11-26Washington DC(blank/no) cachet on card, also backMars InSight landing
United States2018-11-26Pasadena CA(Multi-color printed) cachet on cardMars InSight landing
United States2018-11-26
2020-07-30
Washington DC
Washington DC
(Multi-color printed) cachet on cover, also backInSight landing on Mars
Mars-2020 Perseverance launch
United States2022-12-20Pasadena CA(Red Eagle) cachet on cover"Mars InSight lander falls silent"
InSight (on other than InSight launch or event covers)
United States2021-02-18Washington DC(Multi-color printed) cachet on Mars-2020 landing cover(small-body, cartoon of) InSight


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Updated: 2024-11-17