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Source:
Colnect
Issued by:
Czechoslovakia
Function:
postage
Date:
12/7
/
1959
Denom:
35h
Color:
multicolored
Design type:
radio & telegraph inventors
Design:
Branly
Watermark:
unwmk
Perf:
11.75x11.25
Catalog value:
In collections:
used
(Stan Shebs)
Prev:
30h d=Popov (1959)
Next:
60h d=Marconi
External links:
Colnect 134031..Radioinventors
Record of changes
