Caligula, AE15 of Philadelphia, Lydia. AD 37-41. Magistrate Antiochos. GAIOC KAICAR, bare head right, lituus before. FILADELFEWN ANTIOXOC above and beneath winged thunderbolt. RPC S-3029A. Weight: 3.35 g. Diameter: 15 mm. With permission of Pecunem Naumann Numismatik, auction 44. May-June 2016.