SYRIA, Seleucis and Pieria. Antioch. Gaius (Caligula), with Agrippina Senior, 37-41. Tetradrachm (Silver, 27 mm, 14.36 g, 1 h), RY 3 = 38/9. ΓAIOY KAIΣAPOΣ ΣEBA•ΓEPMA Laureate head of Gaius to right. Rev. AΓPIΠΠEINHΣ ANTIO•MHTPO• - Γ/ET Draped bust of Agrippina to right. McAlee 225. RPC I 4167. Rare and with two attractive portraits. The obverse struck somewhat off center, otherwise, very fine.