Michel # 1218; Scott # 1150; Stanley Gibbons # 1237; Yvert # 1061; | |||
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Color: orange, blk & grn | |||
Date of Issue: 31.03.1961 | |||
Face Value: 4 st | |||
Designer: Vl.Korenev, ?. Velev, V.Tomov | |||
Stamp Size: no information | |||
Stamp Quantity: 1 000 000 | |||
Perforation: 10 ¾ |