Colnect-4155-470-ZFvon-Wroblewski-nand-KSOlszewski.jpg
Source: Colnect
Issued by: Poland
Function: postage
Date: 4/25/1951
Issue: 1st Polish Science Congress
Denom: 45g
Color: purple
Design: ZFvon Wroblewski nand KSOlszewski
Watermark: unwmk
Perf: 9-14.5
Catalog value:

In collections: used (Stan Shebs)

External links:
Colnect 138429..ience_congress