Celestino Piatti: Bell

Bell poster. Photo: Siegfried, 1962, VSK, Basel. 127.5 x 90 cm, Switzerland

Celestino Piatti (Switzerland, Wangen 1922–)

I tried to find information as to what type of brand Bell was. I only found one sentence suggesting it was a large chain of stores that sold meat, poultry, and fish. There doesn't seem to be much else available online.