SYRIA, Seleucis and Pieria. Antioch. Gaius (Caligula), with Agrippina Senior, 37-41. Tetradrachm (silver, 14.44 g, 23 mm). [ΓAIOY KAIΣAPOΣ ΣEBA • ΓEPMA •] Laureate head of Caligula to right. Rev. AΓPIΠΠE[INHΣ ANTIO• MHTPO•] Draped bust of Agrippina Senior to right; in field to right, A above ET. McAlee 222; Prieur 63; RPC I 4164. Nearly very fine. Rare.