Watch List notes:

IONIA, Magnesia ad Maeandrum. Themistokles. Circa 465-459 BC. AR Tetartemorion (7mm, 0.14 g, 6h). Contemporary imitation(?). Crude head right(?) / ΘE monogram in linear square. Cf. Nollé & Wenninger Th 3–5; Leu Numismatik Web Auction 5, lot 255; otherwise, unpublished. VF. Extremely rare.