Seleukid Empire. Antiochos III 'the Great'. 222-187 BC. AR Tetradrachm (28mm, 17.03g, 11h). Seleukeia on the Tigris mint. Struck circa 197-192/0 BC. Diademed head right / Apollo standing left, testing arrow and leaning on tripod; monogram in exergue. SC 1167.1; HGC 9, 447mm. Very Fine.