Colnect-1896-739-Fifth-International-Biochemical-Congress.jpg
Source: Colnect
Issued by: Russia
Function: postage
Date: 7/31/1961
Denom: 6k
Color: multicolored
Design: biochemistry symbols
Watermark: unwmk
Perf: 12
Catalog value:

In collections: used (Stan Shebs)

External links:
Colnect 87964-..iet_Union_USSR


Record of changes