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Source:
Colnect
Issued by:
Switzerland
Function:
official
Date:
9/16
/
1957
Issue:
WHO
Denom:
40c
Color:
blue
Design:
Watermark:
unwmk
Perf:
11.75
Catalog value:
Prev:
20(c) ver
Next:
60(c) redbrn
External links:
Colnect 495672..h_Organization
