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Source:
Colnect
Issued by:
Greece
Function:
postage
Date:
8/20
/
1955
Issue:
Pythagorean school 2500th
Denom:
5d
Color:
purple
Design:
Pythagorean Congress - Pythagoras on Samian coin
Watermark:
crowns
Perf:
Catalog value:
In collections:
used
(Stan Shebs)
Prev:
3.50d blk&gray d=theorem illustration
Next:
6d bl d=map of Samos (1955)
External links:
Colnect 60760-..oin-Congresses