Source: Colnect |
Issuer: Bulgaria
Issue: Soviet-Bulgarian Friendship 1977 Date: 9/10/1977 (1977 sheets) Block 1 (6, 3 x 2) 1, 1: 1, 2: 18s 1, 3: 2, 1: 18s 2, 2: 2, 3: 18s |
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