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Source:
Colnect
Issued by:
United Nations
Function:
postage
Date:
3/19
/
1982
Issue:
Human Environment
Denom:
20c
Color:
multicolored
Design:
Watermark:
unwmk
Perf:
Catalog value:
Prev:
1/22/1982 40c
Next:
40c
External links:
Colnect 352949..m-UNO_New_York
Record of changes
