Bronze AE29, 29mm, 13.08gm, issued AD 55-72 Samosata mint.
Obv: BAΣIΛEYΣ ME ANTIOXOΣ EΠI, Diademed bust right.
Rev: KOMMAΓHNΩN, Scorpion, laurel wreath around.
References: Sear 5507, RPC 3854.
Antiochus was a friend of Caligula who rewarded him with his restored kingdom in AD 38. Antiochus ruled it as an allied king until AD 72 when Vespasian converted the kingdom into a province.