Watch List notes:

IONIA, Kolophon. Circa 530/25-500 BC. AR Tetartemorion (5mm, 0.16 g). Persic standard. Archaic head of Apollo left / Incuse square punch. Kim & Kroll pp. 84–103; SNG Kayhan 354. Good VF, toned, typical porosity.

From the Ealing Collection. Ex Classical Numismatic Group 43 (24 September 1997), lot 542.