Colnect-137-113-Johann-Florian-Heller-1813-1871-pioneer-chemical-diagnosti.jpg
Source: Colnect
Issued by: Austria
Function: postage
Date: 8/31/1981
Issue: Congress for Clinical Chemistry
Denom: 6s
Color: dark brown red
Design: Johann Florian Heller
Watermark: unwmk
Perf: 14.25x13.75
Width: 30.00 Height: 39.00
Catalog value:



External links:
Colnect 18756-..istry_Congress