Bronze Societe de Chimie Industrielle medal, in the form of a horizontal oblong plaquette, 1937. 66 x 89 x 4mm. Commemorating the 20th anniversary of the Societe. Obverse, representation-heads of Jean Gerard (1890-1956) and Paul Kestner, facing each other; scenes of chemical plant, transport (locomotive) and agriculture (tractor); signed r. by artist M Aronson