BAKTRIA, Greco-Baktrian Kingdom. Antimachos I Theos. Circa 180-170 BC. AR Tetradrachm (31mm, 16.96 g, 12h). Diademed and draped bust right, wearing kausia / [B]AΣIΛEΩΣ ΘEOY to right, ΑNTIMAXOY to left, Poseidon, laureate, standing facing, holding trident in right hand and cradling filleted palm in left arm; monogram to inner right. Bopearachchi 1D; MPHB Group III; SNG ANS 276-7; HGC 12, 106. Light iridescent toning, minor porosity. EF.