| Issuer: Mongolia
Date: 5/3/1976 (1976 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 247907..n_INTERPHIL_76 |
| Issuer: Mongolia
Date: 5/3/1976 (1976 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 247907..n_INTERPHIL_76 |
