IONIA, Kolophon. Circa 500-450 BC. AR Tetartemorion (6.5mm, 0.28 g, 5h). Facing head of Apollo with long hair locks / TE monogram within incuse square. Milne, Colophon 7; SNG Kayhan 356; SNG von Aulock 1999. Toned, light porosity, double struck on reverse. VF.