Seleucid, Antiochus I, 281-261 BC. Tetradrachm, 16.91g (4h). , 281-261 BC, Ecbatana. Obv: Diademed head of Antiochus I right. Rx: ΒΑΣΙΛΕΩΣ ΑΝΤΙΟΧΟΥ Apollo, slight drapery on right thigh, seated left on omphalos, holding arrow and resting left hand on grounded bow, monograms in inner left field above and below arrows. SC 409.2. .