| Issuer: Mongolia
Date: 3/10/1991 (1991 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 232919..s_crecca-Birds Record of changes |
| Issuer: Mongolia
Date: 3/10/1991 (1991 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 232919..s_crecca-Birds Record of changes |
