Issuer: United States
Issue: 20th Universal Postal Congress
Date: 1989 (1989 sheets)

Block 1 (4, 2 x 2)
1, 1: 45c d=spacecraft leaving Earth
1, 2: 45c d=hovercar
2, 1: 45c d=moon rover
2, 2: 45c d=space shuttle docking



External links:
Colnect 101802..tes_of_America