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Issuer: Bulgaria
Block in sheet 5972 Date: 10/5/1977 (1977 blocks) (9, 3 x 3) 1, 1: 35s d=Albena Black Sea Coast 1, 2: 43s d=Rila Monastry 1, 3: 35s d=Albena Black Sea Coast 2, 1: 43s d=Rila Monastry 2, 2: 2, 3: 43s d=Rila Monastry 3, 1: 35s d=Albena Black Sea Coast 3, 2: 43s d=Rila Monastry 3, 3: 35s d=Albena Black Sea Coast |
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