| Issuer: United Nations
Date: 9/21/1984 (1984 blocks) (4, 2 x 2) 1, 1: 20c d=flag of Poland 1, 2: 20c d=flag of Papua New Guinea (1984) 2, 1: 20c d=flag of Uruguay 2, 2: 20c d=flag of Chile |
External links: Colnect 719525..s-UNO_New_York |
| Issuer: United Nations
Date: 9/21/1984 (1984 blocks) (4, 2 x 2) 1, 1: 20c d=flag of Poland 1, 2: 20c d=flag of Papua New Guinea (1984) 2, 1: 20c d=flag of Uruguay 2, 2: 20c d=flag of Chile |
External links: Colnect 719525..s-UNO_New_York |
