Bulgaria 1997 The 50th Anniversary of the Bulgarian Civil Aviation
From Stamps of the World
- Issue Date: 29 June 1997
- Designed by: St. Iliev, G. Todorov
- Print Run :
- Print Process:
- Perforations: 13:13¼
- Stamp Size:
- Bulgarian Catalog Number : 4302
- Michel Catalog Number : 4292