Bulgaria 1932 Airmail Exhibition, Strasbourg - Airplain over Rila Monastery
From Stamps of the World
- Issue Date: 9 May 1932
- Designed by: N. Biserov
- Print Run : 40,000 each
- Print Process:
- Perforations:
- Bulgarian Catalog Numbers : 263/65
- Michel Catalog Numbers : 249/51
