Seleukid Kings of Syria. Seleukos III Kallinikos (246-225 BC). AR Tetradrachm. Seleukeia on the Tigris. 16.23 gms. Diademed head right, rev. Apollo Delphios standing left, holding arrow and resting elbow on tall tripod, monogram inner left. SC 764.1 var., HGC 9, 303jj var. Rare. Slightly granular. Good Very Fine.