Antiochus II Theos Silver Tetradrachm Apollo Seated, Examining Arrow. Seleucia or Tigris Mint 255-246 BC. 17.19gm, Obverse: Diademed head of Antiochus II right. Reverse: BASILEWS ANTIOXOY, Apollo seated left on omphalos, examining arrow in right, resting left hand on grounded bow. edge cut.