Greece/Seleucid; Antiochus I Soter BCE 280-261, in the name of Seleucus I

AR Tetradrachm, 28 mm, 16.73 g, Laodicea ad mare mint

SC 357.8 (this coin)

O: hd of young Herakles r. in lion skin headdress, dotted border. (weak obs. Strike)

R: ΣΕΛΕΥΚΟΥ on r., BAΣΙΛΕΩΣ in ex. Zeus enthroned l., holding eagle and scepter, dotted border. Mintmark on left above, Dolphin l., controls on left below and beneath throne.