Antiochos III 'the Great' AR Tetradrachm, Seleukeia on the Tigris

Seleukid Kings of Syria. Antiochos III 'the Great ' (223-187). AR Tetradrachm (26-27 mm, 16.87 g), Seleukeia on the Tigris mint.
Obv. Diademed head right.
Rev. BAΣIΛEΩΣ ANTIOXOY, Apollo Delphios seated left; monograms to left and to right.
SC 1160.2; Newell ESM 231.

Very rare variant. Cleaning marks. Good portrait. About very fine