Colnect-3946-262-Model-of-molecule.jpg
Source: Colnect
Issued by: Czechoslovakia
Function: postage
Date: 7/4/1966
Issue: chemical society 100th
Denom: 60h
Color: multicolored
Design: Atomic Symbol
Watermark: unwmk
Perf: 11.25x11.5
Catalog value:

In collections: used (Stan Shebs)

External links:
Colnect 130404..ociety_Centary


Record of changes