| Issuer: Mongolia
Date: 3/15/1988 (1988 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 315072..ition_PRAGA_88 |
| Issuer: Mongolia
Date: 3/15/1988 (1988 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 315072..ition_PRAGA_88 |
