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Source:
Colnect
Issued by:
Greece
Function:
postage
Date:
8/20
/
1955
Issue:
Pythagorean school 2500th
Denom:
6d
Color:
blue
Design:
map of Samos
(1955)
Watermark:
crowns
Perf:
Catalog value:
Prev:
5d pur d=Pythagorean Congress - Pythagoras on Samian coin
Next:
5/15/1956 2d ultra issue=Rotary 50th
External links:
Colnect 60761-..mos-Congresses
Record of changes