Bust of Antimachus I, diademed, draped and cuirassed right, wearing kausia	ΒΑΣΙΛΕΩΣ ΘΕΟΥ ΑΝΤΙΜΑΧΟΥ, Poseidon standing facing, trident in right hand, palm with ribbons in left hand
EU-131. Wt = 8.22g. Diam = ~44.5mm. BNBact 1A. Wt & diam seem wrong. Other specimens are nearer ~16g and ~32mm
Photo from Ashmolean Museum No. HCR45180