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Source: Wikimedia Commons
Issued by:
Russia
Function:
postage
Date:
5
/
1949
Issue:
Popov radio discovery 54th
Denom:
40k
Color:
purple
Design:
Popov
(1949)
Watermark:
unwmk
Perf:
12
Catalog value:
Prev:
4/30/1949 1r blgrn issue=Labor Day 1949 d=Working people with May Day banner
Next:
50k brn d=demonstrating radio
External links:
Colnect 283788..iet_Union_USSR
Record of changes