The 5th Congress of the Bulgarian Tourism Association (BTS) 1977
Viser nå: Bulgaria - Postfrimerker - 1977 - The 5th Congress of the Bulgarian Tourism Association (BTS) - 1 frimerker.
1977
The 5th Congress of the Bulgarian Tourism Association (BTS)
24. February VM: Ingen Perforering: 13
![[The 5th Congress of the Bulgarian Tourism Association (BTS), type CLU]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/CLU-s.jpg)
