Bulgaria
Ora in esposizione: Bulgaria - Francobolli postali (1879 - 2024) - 1 francobolli.
1957
The 70th Anniversary of Esperanto and The 50th Anniversary of the Bulgarian Esperanto Association
27. Luglio WM: Nessuno Dentellatura: 13
![[The 70th Anniversary of Esperanto and The 50th Anniversary of the Bulgarian Esperanto Association, Scrivi AES]](https://www.stampworld.com/media/catalogue/Bulgaria/Postage-stamps/AES-s.jpg)
