ZIZ Gruyère cheese advertising keychain – vintage breakfast – 1960s/1970s – Good condition

A vintage advertising keychain from the 1960s–1970s in good condition, made entirely of plastic, featuring a breakfast scene with coffee, bread and pastries, alongside the ZIZ ginger logo and a “Product Classic” badge typical of retro food marketing. This rectangular model with green and white stripes evokes classic packaging and was likely distributed in supermarkets or promotional events. Today, it’s rarer than a sugar-free breakfast. Condition: good – see photos. Perfect for collectors, vintage ad lovers or fans of illustrated culinary nostalgia.