Manuel I Comnenus. Emperor of Trebizond, 1238-1263. Silver Asper. Very Rare

Manuel I Comnenus. Emperor of Trebizond, 1238-1263. AR Asper (22mm, 2.89 g, 7h). Retowski 28; S. Bendall, An Introduction to the Coinage of the Empire of Trebizond 20; SB 2602.