BAKTRIA (Greco-Baktrian Kingdom): Eukratides I Megas "The Great". Circa 170-145 BC. AR Tetradrachm? (11.66 g). Mint: Baktra (Bactria). Helmeted Bust style of Eukratides. Obv: Diademed and draped bust of Eukratides to right, wearing crested helmet adorned with bull's horn and ear. / Rev: The Dioskouroi on horses prancing to right, each holding spear and palm, Greek legends: ΒΑΣΙΛΕΩΣ ΜΕΓΑΛΟΥ above & ΕΥΚΡΑΤΙΔΟΥ below, monogram in right field. Good F-VF. Very Unusually light weight for tetradrachm or possibly an unpublished denomination.