Colnect-1646-142-Microscope.jpg
Source: Colnect
Issued by: Peru
Function: postage
Date: 1/18/1983
Issue: TB bacillus discovery 100th
Denom: 240s
Color: multicolored
Design: microscope (1983)
Watermark: unwmk
Perf:
Catalog value:

In collections: some private

External links:
Colnect 399352.._Bacillus_Cent