Radio Marelli - Enamel sign - sheet metal

The object highlighted in the image is a vintage advertising sign for "Radio Marelli Servizio", a famous Italian consumer electronics brand born in the 1930s.
This specific design, characterized by the white and yellow shield with the slogan "the best in radio and television", was affixed outside laboratories and authorized repair shops
Mainly made of tinplate or embossed stamped metal.
It features the stylized "TV" inscription, the red Radio Marelli logo and the lower text Servizio on a red background.
Many of the identical specimens visible today on the market are replicas or faithful tinplate reproductions distributed in the early 2000s (for example by Hachette) within collections dedicated to mid-century modern collectibles and historic advertising signs.