Bulgaria
Ora in esposizione: Bulgaria - Francobolli postali (1879 - 2024) - 2 francobolli.
1978
Preservation of the Architectural Heritage in Europe
1. Novembre WM: Nessuno Dentellatura: 13 x 13½
![[Preservation of the Architectural Heritage in Europe, Scrivi ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/2736-b.jpg)
1978
International Stamp Exhibition "ESSEN '78" - Preservation of the Architectural Heritage in Europe Overprinted in Left and Right Side
5. Novembre WM: Nessuno Dentellatura: 13 x 13½
![[International Stamp Exhibition "ESSEN '78" - Preservation of the Architectural Heritage in Europe Overprinted in Left and Right Side, Scrivi ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/2739-b.jpg)
