Ken's Antique Radios - 1960's Concerto 7-tube AM/FM "Stereo Matic Sound" Model LL21552 radio. This radio was made in Japan and imported by Jutan Imports Ltd. which imported a lot of electronics
AB Stern & Stern – Concerton radio
RADIO Lamp CONCERTO Am Fm Vintage 1960 JAPAN - Etsy
Vintage Concerto AM/FM AC/DC PB/WB AIR Radio
Images for 673987. RADIO, Concerton, Type V536, 1950s. - Auctionet