Colnect-137-114-Ludwig-Boltzmann-1844-1906-physicist.jpg
Source: Colnect
Issued by: Austria
Function: postage
Date: 9/4/1981
Issue: Ludwig Boltzmann death 75th
Denom: 3s
Color: dark green blue
Design: Ludwig Boltzmann
Watermark: unwmk
Perf: 14.25x13.75
Catalog value:



External links:
Colnect 18758-..ltzmann_Ludwig


Record of changes

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