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Source:
Colnect
Issued by:
United Nations
Function:
postage
Date:
3/11
/
1977
Issue:
World Intellectual Property Organization Headquarters
Denom:
31c
Color:
multicolored
Design:
Watermark:
unwmk
Perf:
Catalog value:
Prev:
13c
Next:
4/22/1977 13c issue=United Nations Water Conference 1977
External links:
Colnect 211746..y-UNO_New_York
