IONIA. Kolophon. Circa 450-410 BC. Tetartemorion (Silver, 7 mm, 0.31 g, 12 h), Persic standard. Head of Apollo to right, wearing taenia. Rev. Monogram of TE; to left, two pellets; all within incuse square. Milne, Colophon 37. SNG Kayhan 361. Rare. Somewhat rough and with a minor die break on the obverse, otherwise, very fine.