| Issuer: Mongolia
Date: 4/15/1973 (1973 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 244553..IBRA_73_Munich Record of changes |
| Issuer: Mongolia
Date: 4/15/1973 (1973 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 244553..IBRA_73_Munich Record of changes |
