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Source:
Colnect
Issued by:
Poland
Function:
airmail
Date:
8/28
/
1934
Denom:
30g
Overprint:
CHALLENGE//1934
Ovpt color:
red
On:
4/15/1933 30g issue=circuit of Europe win
Color:
gray green
Design:
Zwirko
&
airplane
&
Wigura
Watermark:
unwmk
Perf:
Catalog value:
In collections:
used
(Stan Shebs)
Prev:
20g olgrn d=biplane on=9/10/1925-20g perf=12.75x12.5
Next:
3/5/1946 5Zł gray issue=1946 air d=Airplane over Warsaw
External links:
Colnect 199360..Air_Tournament
Record of changes