Watch List notes:

TROAS. Kebren. 5th century BC. Hemihekte (Silver, 11 mm, 1.93 g, 11 h). Ram's head to right. Rev. Gorgoneion within shallow incuse square. Bement 1406 (same dies). SNG von Aulock 7619. Rare. Well-centered, well-struck and toned. Good very fine.

From an American collection, ex Naumann 54, 4 June 2017, 143.

This coin was struck from the same dies as the splendid piece that appeared as lot 310 of Gorny & Mosch 211 in 2013: that coin reached €5000 from an estimate of €500.