Antiochos III, AE15, ca. 210 BC, Ectabana mint.

Diademed head right
BASILEWS right, ANTIOXOY left, tripod ornamented with horse 
foreparts, monogram sideways in outer left field, 

Ref: Hoover Seleucid Coins 1254, ESM 603

Contributed by Doug Spangle, Dec. 2012