Browse covers associated with space programs, experimental flight, and other postal history subjects. The categories below include Mercury, Gemini, Apollo, the Space Shuttle, uncrewed missions, and Soviet space material, along with aviation, polar, military, and first-day collecting areas.
Use the category links to narrow the selection, then review the individual listing, images, and current availability. A space-related cover is not necessarily space-flown; any flight history, signature, special marking, or other important attribute should be established from the item’s description and supporting information.
The reference books, exhibits, and articles provide background for further study. If a listing leaves an important detail unclear, contact American Astrophilately with the title or catalog identification.