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Source:
Colnect
Issued by:
Estonia
Function:
airmail
Date:
10/1
/
1923
Denom:
15m
Overprint:
15Marka//1923
Ovpt color:
red
On:
3/13/1920 5m
Color:
yellow & black & light green
Design:
airplane
(1920)
Watermark:
unwmk
Perf:
Catalog value:
Prev:
5m ovpt=1923
Next:
10m multi issue=1923 air c
External links:
Colnect 129377..y_red-Air_Mail
