Stamps of Bulgaria, Congress of the Communist Party of Bulgaria issue
1 to 3 of 3
postage
1971, Apr 20 Congress of the Communist Party of Bulgaria issue unwmk p. 12.5
| - | 1s | multi | ||||
| - | 2s | multi | ||||
| - | 13s | multi |
1 to 3 of 3
| - | 1s | multi | ||||
| - | 2s | multi | ||||
| - | 13s | multi |