Marked: (Panel nameplate reads) RCA / Radiola 20 / Reg. U.S. Pat. Office / See license notice inside / Radio Corporation of / America. (Under top lid is license & patent notice) Title reads: Radiola ...
Marked: (Plate) "Radiola Superhetrodyne Model AR812 No. 145451, Range 220-550 Meters. Patented: 1/21/08; 3/5/12; 10/6/14; 7/3/17; 10/22/18; 6/27/20; 6/8/20; 2/18/16 ...