Colnect-122-053-Starch---Chromatography.jpg
Source: Colnect
Issued by: Great Britain
Function: postage
Date: 3/2/1977
Denom: 11p
Color: multicolored
Design type: chemistry
Design: starch
Watermark: unwmk
Perf: 14.75x14.25
Catalog value:

In collections: mint (Stan Shebs), some private

External links:
Colnect 2460-S..rthern_Ireland