Bulgaria - 20+10st airmail semipostal stamp of 1963 (#692330) | StampData

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Colnect-1678-373-Valery-F-Bykowski-and-Valentina-V-Tereshkova.jpg

Source: Colnect

Issued by:	Bulgaria
Function:	airmail semipostal
Date:	8/26/1963
Issue:	Joint Flight of Vostok 5 and Vostok 6
Denom:	20+10st

Color:	blue green & yellow green
Design:
Watermark:	unwmk
Perf:


Catalog value:

Prev: 2/29/1948 60l redbrn<brn issue=2nd Bulgarian Workers Congress
Next: official 1942 10s yelgrn issue=1942 official d=arms of Bulgaria perf=13

External links:
Colnect 407011..5_and_Vostok_6