Indo-Greek, Bactria. Menander I, c.155-130 BC. AR Drachm.
 
Obv: Bust of Menander left, aegis over left shoulder, weilding javelin in right hand, Greek legend: BAΣIΛEΩΣ ΣΩTHPOΣ - MENANΔPOY (BASILEOS SOTEROS MENANDROU). Obv: Athena standing right, hurling thunderbolt with raised right hand.
 
Some surface tone, nice details throughout.