Watch List notes:

SELEUKID KINGS OF SYRIA. Alexander I Balas, 152-145 BC. Tetradrachm (Silver, 27 mm, 16.36 g, 1 h), Antioch, prior to late 150 BC. Diademed head of Alexander Balas to right, fillet border. Rev. ΒΑΣΙΛΕΩΣ ΑΛΕΞΑΝΔΡΟΥ / ΘΕΟΠΑΤOΡΟΣ ΕΥΕΡΓΕΤΟΥ Zeus seated left on high backed throne, holding Nike in his right hand and long scepter with his left; in exergue, Σ. SC 1781j. SMA 171. Toned and with an impressive portrait struck on an oval flan. Extremely fine.
From a European collection, ex 51 Gallery 13 November 2015, 90 and Gorny & Mosch 159, 8 October 2007, 249.