Watch List notes:

IONIA. Magnesia ad Maeandrum. Circa 500-460 BC. Tetartemorion (Silver, 5 mm, 0.18 g). Head of an eagle to right. Rev. Monogram of ΘΜ within incuse square. Naumann 12, 2014, 242. Hauck & Aufhäuser 15, 2000, 164. SNG Kayhan 1585. Very rare. The attribution to Magnesia is tentative. Very fine.