| Issuer: Mongolia
Date: 8/1/1968 (1968 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 241388..cs_1968_Mexico |
| Issuer: Mongolia
Date: 8/1/1968 (1968 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 241388..cs_1968_Mexico |
