5909077 Guerin-Boutron advertising cards, "The Theater through the ages" (litho) by French School, (20th century); 35.53x59 cm; (add.info.: Guerin-Boutron, The Theater through the ages series. Under the Empire, Talma playing tragedy at Erfurth in front of a pit of kings. The Parisian family Guerin Boutron founded the company in 1775. The company manufactures chocolate and for advertising purposes, Guerin Boutron attached chromolithographs on various themes, in this case theatre scenes, to his chocolate bars.); Photo by Archives Toutain; French, out of copyright.