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Source:
Colnect
Issued by:
Canal Zone
Function:
airmail
Date:
12/31
/
1929
Denom:
10c
Overprint:
AIR MAIL//bars 10c
Ovpt color:
black
On:
postage 1928 50c issue=1928
Color:
lilac
Design:
Blackburn
Watermark:
Perf:
Catalog value:
Prev:
4/1/1929 15c grn d=William Gorgas ovpt=15(type I) on=1928-1c
Next:
20c car d=George Goethals ovpt=AIR MAIL//bars 20c on=1928-2c
External links:
Colnect 735073..ckburn-Airmail