5909081 Advertising chromolithography of Guerin Boutron chocolates (chromolithograph) by French School, (20th century); 34.87x59.03 cm; (add.info.: The Parisian family Guerin Boutron founds the company in around 1775. The factory manufactures chocolate, to retain its customers Guerin Boutron joined his tablets chromolithography on various topics, here historical scenes, 38. Louis XIII (1610-1643) Assassination from Concini (1617)); Photo by Archives Toutain; French, out of copyright.