5909082 Advertising chromolithography of Guerin Boutron chocolates (chromolithograph) by French School, (20th century); 47.07x29.85 cm; (add.info.: The Guerin Boutron family founded the company around 1775 in Paris. The factory manufactures chocolate, in order to retain its customers Guerin Boutron joins his tablets with chromolithography on various subjects, here the trees, grenadier); Photo by Archives Toutain; French, out of copyright.