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Source:
Colnect
Issued by:
United Nations
Function:
postage
Date:
1951
Issue:
1951
Denom:
20c
Color:
dark brown
Design:
Watermark:
unwmk
Perf:
Catalog value:
Prev:
15c vio&bl d=UN flag
Next:
25c olgray&bl
External links:
Colnect 190708..e-UNO_New_York
