| Issuer: United Nations
Date: 9/25/1981 (1981 blocks) (4, 2 x 2) 1, 1: 20c d=flag of Malta 1, 2: 20c d=flag of Czechoslovakia 2, 1: 20c d=flag of Thailand 2, 2: 20c d=Flag of Trinidad and Tobago |
External links: Colnect 715054..s-UNO_New_York |
| Issuer: United Nations
Date: 9/25/1981 (1981 blocks) (4, 2 x 2) 1, 1: 20c d=flag of Malta 1, 2: 20c d=flag of Czechoslovakia 2, 1: 20c d=flag of Thailand 2, 2: 20c d=Flag of Trinidad and Tobago |
External links: Colnect 715054..s-UNO_New_York |
