Bulgaria 1937 The Saints Cyril and Methodius
From Stamps of the World
- Issue Date: 29 May 1937
- Designed by: Iv. Manev, V. Tomov, Em. Rakarov
- Print Run : #328-330 x 240,000 / #331-332 x 100,000
- Print Process:
- Perforations:
- Bulgarian Catalog Numbers : 328/32
- Michel Catalog Numbers : 307/11
