Watch List notes:

IONIA. Magnesia ad Maeandrum. Archepolis, after circa 459 BC. Tetartemorion (Silver, 6 mm, 0.21 g, 8 h). Bearded head of Zeus to right, wearing tainia. Rev. Eagle flying left within incuse square. Hauck & Aufhäuser 18 (2004), 207. Nollé & Wenninger -, cf. A 2a (trihemiobol, with AP-E on the reverse). Very rare. Very fine.