Stamps of Bulgaria, 100th Birthday of Panaiot Pipkov issue
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postage
1971, May 20 100th Birthday of Panaiot Pipkov issue unwmk p. 12.5
| X | 13s | multi | Panayot Pipkov | |||
| - | 13s | multi | Color Dark Green missing | — | — |
1 to 2 of 2
| X | 13s | multi | Panayot Pipkov | |||
| - | 13s | multi | Color Dark Green missing | — | — |