| Issuer: United Nations
Date: 9/25/1981 (1981 blocks) (4, 2 x 2) 1, 1: 20c d=flag of Djibouti 1, 2: 20c d=flag of Sri Lanka 2, 1: 20c d=flag of Bolivia 2, 2: 20c d=flag of Equatorial Guinea |
External links: Colnect 715056..s-UNO_New_York |
| Issuer: United Nations
Date: 9/25/1981 (1981 blocks) (4, 2 x 2) 1, 1: 20c d=flag of Djibouti 1, 2: 20c d=flag of Sri Lanka 2, 1: 20c d=flag of Bolivia 2, 2: 20c d=flag of Equatorial Guinea |
External links: Colnect 715056..s-UNO_New_York |
