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Source:
Colnect
Sheet:
Issued by:
Poland
Function:
postage
Date:
6/20
/
1973
Issue:
space-based observatories
Denom:
4.90z
Color:
multicolored
Design:
US Copernicus
Watermark:
unwmk
Perf:
9-14.5
Catalog value:
In collections:
used
(Stan Shebs)
Prev:
5/21/1973 5z issue=Polish Hunting Association 50th d=wild boar (1973)
Next:
4.90z d=Salyut (1973)
External links:
Colnect 122482..ute_Copernicus