| Issuer: Mongolia
Date: 4/15/1988 (1988 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 121574..ics_1988_Seoul |
| Issuer: Mongolia
Date: 4/15/1988 (1988 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 121574..ics_1988_Seoul |
