Gold medal, Exposition universelle internationale by J. C. Chaplain, awarded, 1878, Paris. Choc on the edge. Weight: 83.5 g ,D. 50 mm Bibl: Arts appliqués et Industrie d'art aux expositions by Sandoz and Guiffrey, XXXII and XXXIII, p.LV The 1878 Universal Exhibition was the third to be held in Paris, from 1 May to 31 October 1878 on the Champ de Mars.