Watch List notes:

SELEUKID EMPIRE. Antiochos II Theos. 261-246 BC. AR Tetradrachm (27.5mm, 16.99 g). Uncertain mint in the Hellespont (Lampsakos?). Diademed head right / Apollo Delphios, testing arrow and resting hand on grounded bow, seated left on omphalos; in exergue, dolphin left and IΣ. SC Ad112; HGC 9, 238b. Toned, light roughness. Near EF. High relief portrait. Extremely rare, none in CoinArchives.

From the Stein A. Evensen Collection, purchased from February 2007 VAuctions sale (not archived online).