Watch List notes:

IONIA. Kolophon. Circa 450-410 BC. Tetartemorion (Silver, 7 mm, 0.32 g, 3 h), Persic standard. Laureate head of Apollo to right. Rev. Monogram of TE (mark of value); to left, barley grain; all within incuse square. Milne, Colophon 34. SNG Keckman II 241. Somewhat granular, otherwise, very fine.