Image Artifact Date Overview Icon of the Triumph of Orthodoxy. About 1400. Constantinople. Egg tempera, gesso, wood, linen, gold-lead. British Museum. PE 1988.0411.1. Purchased with the aid of The Art Fund. Image by L. M. Clancy, 2009/09/13. Icon of Triumph of Orthodoxy About 1400 In AD 730 the Byzantine Emperor Leo III forbade the use [...]