1991 - Joint Issue - US and Switzerland - Switzedrland's 700th Anniversary
1997 $3 Mars Pathfinder
1989 25c Stamped Envelopes and Wrappers - Space Station Hologram
2022 First-Class Forever Stamp - James Webb Space Telescope
1992 29c Space Station
Joint-Issue First Day Covers, Set of 20
1991 50c Antarctic Treaty
1969 6c Apollo 8 Moon Orbit
1974 10c Zip Code
1993 29c Legends of American Music: Elvis Presley
1992 Joint Issue - US and Italy - First Voyage of Columbus
1978 13c Indian Head Penny
1982 20c Franklin Delano Roosevelt
2018 First-Class Forever Stamp - World War I: Turning the Tide
1962 4c Project Mercury
2001 34c Peanuts
1990 25c Lombardi Trophy
1953 3¢ Gadsden Purchase
1989 $2.40 Moon Landing
2022 First-Class Forever Stamps - Go Beyond: Buzz Lightyear
2022 First-Class Forever Stamps - Pony Cars
2022 First-Class Forever Stamps - Holiday Elves
2022 First-Class Forever Stamp - Women Cryptologists of World War II
1987 Joint Issue - US and Morocco - Treaty of Friendship Bicentennial