DUV4208581 Letter M: Mephistopheles, in "Mephistopheles", opera by Arrigo Boito ; N: Nelusco , in "L\'africaine?? opera by Giacomo Meyerbeer, his real name Jer Liebmann Beer . Men\'s Alphabet Serie S0369. Compagnie Liebig, publisher . Adecedaire consists of 12 advertising images in chromolithography. The Liebig brand was invented in 1865 by the German chemist Justus von Liebig by French School, (20th century); Private Collection; (add.info.: Letter M: Mephistopheles, in "Mephistopheles", opera (created in 1868) by Arrigo Boito (1842-1918); N: Nelusco (Nelusko), in "L\'africaine", opera (opened in 1838, completed in 1863, first representation in 1865) by Giacomo Meyerbeer, his real name Jer Liebmann Beer (1791-1864). Men\'s Alphabet (Liebig) Serie S0369. Compagnie Liebig, publisher (b at Antwerp 1893). Adecedaire consists of 12 advertising images in chromolithography. The Liebig brand was invented in 1865 by the German chemist Justus von Liebig (1803-1873)); Photo by Duvallon; French, out of copyright.