Watch List notes:

IONIA. Uncertain, Erythrai?. Circa 530-480 BC. Tetartemorion (Silver, 4.2 mm, 0.13 g). Rosette formed from seven curved arms around a pellet. Rev. Shaped incuse containing containing five pellets: one in each corner and one at the center. Klein 433 (Miletus). SNG Kayhan 740 (uncertain mint) and 1576 (possibly Erythrai). SNG von Aulock 1807 (uncertain mint). Rare. Clear and well-struck. With some deposits as found, otherwise, good very fine.
From the "Collection sans Pareille" of Ancient Greek Fractions.