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 Unpublished in the standard references; cf.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.