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Source:
Colnect
Issued by:
Czechoslovakia
Function:
postage
Date:
3/28
/
1957
Issue:
Didactica 300th
Denom:
60h
Color:
dark brown
Design:
Jan Ámos Komenský
Watermark:
unwmk
Perf:
Catalog value:
Prev:
40h dkgrn d=Komensky teaching perf=11.5
Next:
1k red perf=11.5
External links:
Colnect 134589..C3%BD_Comenius
