Colnect-4845-760-Chemistry-Flasks-Separatory-Funnel-Computer-Tape.jpg
Source: Colnect
Issued by: United States
Function: postage
Date: 4/6/1976
Issue: Chemistry
Denom: 13c
Color: multicolored
Design: lab glassware
Watermark: unwmk
Perf: 11
Catalog value:

In collections: used (Stan Shebs)

External links:
Colnect 93343-..tes_of_America