Colnect-4002-957-Jur-Hronec-1881-1959-mathematician.jpg
Source: Colnect
Issued by: Czechoslovakia
Function: postage
Date: 3/10/1981
Issue: Juraj Hronec 100th
Denom: 50h
Color: multicolored
Design: Juraj Hronec
Watermark: unwmk
Perf: 11.25x11.5
Catalog value:



External links:
Colnect 122318.._Literacy_Year

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