Construction of socialism issue of Bulgaria
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Short desc: Construction of socialism
Issuer: Bulgaria Date: 8/25/1971 Occasion: unset Consists of 5 stamps: (See stamps as list) 1s d=semiconductor plant in Botevgrad 2s d=Petrochemical Combine Pleven 0.10l d=chemical plant in Vratsa 0.13l d=Maritza East in Dimitrovgrad 40s dkbrn d=Combine Elektronika Sofia All are perf=13 |
