Colnect-137-541-Birth-Centenary-of-Hermann-Potocnik.jpg
Source: Colnect
Issued by: Austria
Function: postage
Date: 11/27/1992
Issue: Hermann Potocnik 100th
Denom: 10s
Color: multicolored
Design: satellite circling the Earth
Watermark: unwmk
Perf: 13.75
Catalog value:

In collections: some private

External links:
Colnect 19555-..tocnik_Hermann


Record of changes