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Issued by: Inner Mongolia
Function: postage
Date: 7/1/1941
Issue: 1941d
Denom: $10
Overprint: a
Ovpt color: black
On: China 12/6/1939 $10 issue=1939 secret marks var=secret mark
Color: green & purple
Design: Sun Yat-sen (1938)
Variant: secret mark
Watermark: unwmk
Perf: 14
Print: Dah Tung
Catalog value:




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