Poland - 20g airmail stamp of 1925 (#176902) | StampData

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Source: Colnect

Issued by:	Poland
Function:	airmail
Date:	9/10/1925
Issue:	1925 air
Denom:	20g

Color:	olive green
Design:	biplane
Watermark:	unwmk
Perf:	12.75x12.5


Catalog value:

Overprints on this type: (See as list)
8/28/1934 ovpt=CHALLENGE//1934 oc=red

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External links:
Colnect 199237..airmail_issues