PARTHIAN KINGDOM: Mithradates I, ca. 171-138 BC, AR drachm (3.78g), Seleukia on the Tigris, ca. 141-138 BC, Sell-13.6, Shore, Sunrise-263, diademed and draped bust right // Zeus Aëtophoros seated left, monogram in exergue, lovely bold strike, brushed, small spot of surface adhesion, Strike 4/5, Surface 3/5, NGC graded Choice XF.