| Issuer: Mongolia
Date: 6/5/1988 (1988 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 315087..Space_Research Record of changes |
| Issuer: Mongolia
Date: 6/5/1988 (1988 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 315087..Space_Research Record of changes |
