You are viewing a fine quality French bronze medallion struck around 1900. The artist who designed it and marked on the front is: O. Roty. Louis - Oscar Roty ( 1846 - 1911) He was one of the most celebrated medallists of the Art Nouveau period. His medals are in most European museum collections as well as the Metropolitan Museum of Art in New York. It is also marked on the front: N. Desaide Edit. The medal is 42 mm in diameter, It has the original patina. It weighs 32.8 grams.