1971 8¢ Space Achievements - 2 Varieties, Attached Plate Block

United States #1912-19 18¢ Space Achievements - 8 Varieties, Attached Plate Block Varieties include: #1912 - Exploring the Moon #1913 - Releasing Boosters #1914 - Cooling Electric Systems #1915...

United States #1427-30 8¢ Wildlife Conservation - 4 Varieties, Attached Plate Block*Plate number and position may vary from image shown.

United States #4527-28 - (44¢) Space Firsts - 2 Varieties, Attached Plate Block Includes two each: #4527 - Alan B. Shepard, Jr. #4528 - Messenger Mission Mint condition, never hinged. *Plate number...

United States #1434-35 8¢ Space Achievements Mint Pair

United States #2867-68 29¢ Cranes - 2 Varieties, Attached Plate Block Varieties include: #2867 - Black-Necked Crane #2868 - Whooping Crane *Plate number and position may vary from image shown.

United States #3384-88 - 33¢ Hubble Space Telescope Images - 5 Varieties, Attached Plate Block of 10 Varieties include: #3384 - Eagle Nebula #3385 - Ring Nebula #3386 - Lagoon Nebula #3387 - Egg...

United States #1464-67 8¢ Wildlife Conservation - 4 Varieties, Attached Plate Block*Plate number and position may vary from image shown.

United States #3158-65 32¢ Composers and Conductors - 8 Varieties, Attached Plate Block Varieties include: #3158 - Leopold Stokowski #3159 - Arthur Fiedler #3160 - George Szell #3161 - Eugene...

United States #3670-71 - 37¢ Neuter & Spay - 2 Varieties, Attached Plate Block*Plate number and position may vary from image shown.