INDO-GREEK (Bactria): Diomedes, ca. 95-90 BC, AE square hemiobol (7.89g), Bop-10-, the Dioskouroi standing facing, each holding spear / zebu standing right; monogram #107 below, common for silver, but unlisted by Bopearachchi for copper, VF, R.
Estimate: 100-150 USD