Issuer: United Nations

Date: 9/23/1983 (1983 blocks)
(4, 2 x 2)
1, 1: 20c d=flag of China (1983)
1, 2: 20c d=flag of Peru (1983)
2, 1: 20c d=flag of Bulgaria
2, 2: 20c d=flag of Canada (1983)



External links:
Colnect 719528..s-UNO_New_York