Bulgaria - 13s stamp of 1971 (#252050)

Source: Colnect

Issued by:	Bulgaria
Function:	postage
Date:	9/20/1971
Issue:	Congress of Biochemistry, Varna
Denom:	13s

Color:	multicolored
Design:	Double Helix of DNA
Watermark:	unwmk
Perf:	12.5


Catalog value:

In collections: used (Stan Shebs)