| Issuer: Mongolia
Date: 6/14/1975 (1975 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 247629.._space_mission |
| Issuer: Mongolia
Date: 6/14/1975 (1975 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 247629.._space_mission |
