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Source:
Colnect
Issued by:
United Nations
Function:
postage
Date:
5/29
/
1981
Issue:
New and Renewable Sources of Energy
Denom:
20c
Color:
multicolored
Design:
Watermark:
unwmk
Perf:
Catalog value:
Prev:
4/15/1981 31c issue=Art d="Sebastocrator Kaloyan and his Wife"
Next:
40c
External links:
Colnect 352542..O-UNO_New_York
