Airmail - Founding of the First Bulgarian Kingdom 1981
Now showing: Nicaragua - Postage stamps - 1981 - Airmail - Founding of the First Bulgarian Kingdom - 1 stamps.
1981
Airmail - Founding of the First Bulgarian Kingdom
10. August WM: None Perforation: Imperforated
![[Airmail - Founding of the First Bulgarian Kingdom, type BCF1]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/BCF1-s.jpg)