Watch List notes:

SELEUKID EMPIRE. Antiochos I Soter. 281-261 BC. AR Tetradrachm (27.5mm, 16.84 g, 5h). Aï Khanoum mint. Diademed head right / Apollo, testing arrow and resting hand on grounded bow, seated left on omphalos; monogram to inner left. SC 438.1a; SMAK A1TA-22 (A7/P20 – this coin); HGC 9, 134c. Lightly toned, scattered marks. VF.

From the Sigmund Collection. Ex Classical Numismatic Group Electronic Auction 83 (18 February 2004), lot 30.