Bulgaria 2172-2175, 2176

$ 4.70

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Bulgaria 2172-2175, 2176, MNH, $5.50. Michel 2333-2336, 2337 Bl.48, Euros 8.50. Worlds Youth PhilEXPO 1974. Children's Drawings. Cosmic research. Springs - Birds. Blocks of 4 and 4 souvenir sheets - buy 4 sets (1).