IONIA. Kolophon. Diobol (Circa 530/25-500 BC).
Obv: Archaic head of Apollo left.
Rev: Quadripartite incuse square.
Unpublished in the standard references; cf. Savoca Numismatik 92nd Blue Auction, lot 591.
Condition: Very fine.
Weight: 1.04 g.
Diameter: 9 mm.