Bulgarien
Viser nu Bulgarien - Post frimærker (1879 - 2024) - 1 frimærker.
1975
The 100th Anniversary of the International Metric Convention
21. marts VM: Ingen Perforeringer: 13
![[The 100th Anniversary of the International Metric Convention, type CEP]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/CEP-s.jpg)
