| Issuer: Mongolia
Date: 1/20/1988 (1988 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 315062..s_1988_Calgary Record of changes |
| Issuer: Mongolia
Date: 1/20/1988 (1988 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 315062..s_1988_Calgary Record of changes |
