Bulgaria 1971 Spacecrafts
From Stamps of the World
- Issue Date : 20 December 1971
- Designed by : Al. Denkov
- Circulation : #2205 x 2,200,000 / #2206 x 200,000 / #2207 x 180,000
- Print Process :
- Stamp Size :
- Perforations : 12½
- Bulgarian Catalog Numbers : 2205/07
- Michel Catalog Numbers : 2135/37