Greco-Bactrian Eucratides I the Great (ca. 170-145 BC). AR tetradrachm 14.59g

Draped, cuirassed bust of Eucratides I right, seen from front, wearing crested Bactrian helmet adorned with bull's horn and ear; bead-and-reel border / ΒΑΣΙΛΕΩΣ ΜΕΓΑΛΟY / ΕΥΚΡΑΤΙΔΟΥ, the Dioscuri on horses prancing right, both with couched spear in right hand, palm over shoulder in left; HΔP monogram in lower right field