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Issued by: Supeh
Function: postage
Date: 1941
Issue: 1941a
Denom: 20c
Overprint: Supeh
Ovpt color: black
On: China 1937 20c issue=1931b var=single heavy circle
Color: ultramarine
Design: Sun Yatsen (1931)
Variant: single heavy circle
Watermark: unwmk
Perf:
Catalog value:




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