Colnect-122-051-Steroids---Conformational-Analysis.jpg
Source: Colnect
Issued by: Great Britain
Function: postage
Date: 3/2/1977
Denom: 8 1/2p
Color: multicolored
Design type: chemistry
Design: steroids
Watermark: unwmk
Perf: 14.75x14.25
Catalog value:

In collections: mint (Stan Shebs), some private

External links:
Colnect 2458-S..rthern_Ireland