Caligula, AE17 of Philadelphia, Lydia, 4.83 g. Magistrate Ermogenes Olympionikes. GAIOS KAISAR, bare head right, star behind. FILADELFEWN ERMOGENHS OLYMPIONIKHS, laureate, jugate busts of the Dioscuri right, palm behind. RPC 3023; BMC 53. With permission of Leu Numismatik, Auction 6, lot 543, Dec. 2018.