Dubasov I.I.   Postage stamp "50 years of radio". Value - 1 ruble. 1945

Dubasov, Ivan Ivanovich (1897-1988) Series "The 50th anniversary of the invention of the radio by A. S. Popov" Catalogue of postage stamps of the USSR (CFA)No. 980 July 1945 USSR Gravure print 3,7 x 2,6 cm Inv. № III-Б-250-м