IONIA, Kolophon. Circa 530/25-500 BC. AR Tetartemorion (6mm, 0.36 g). Archaic head of Apollo left / Incuse square. Kim & Kroll pp. 84–103, 19–426; SNG Kayhan 354. Toned, porous. VF.
From the J. de Wilde Collection. Ex Herbert Cahn Collection (Numismatica Genevensis SA 7, 27 November 2012), lot 103 (part of).