IONIA. Uncertain, Erythrai?. Circa 530-480 BC. Tetartemorion (Silver, 5 mm, 0.14 g). Rosette formed from nine 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. Extremely fine.