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Source:
Colnect
Issued by:
Switzerland
Function:
official
Date:
9/16
/
1957
Issue:
WHO
Denom:
20(c)
Color:
vermilion
Design:
Watermark:
unwmk
Perf:
11.75
Catalog value:
Prev:
10(c) ltgrn
Next:
40(c) bl
External links:
Colnect 495669..h_Organization
