Watch List notes:

ATTICA, Athens. Circa 515-510 BC. AR Obol (8mm, 0.64 g). "Wappenmünzen" type. Wheel with four spokes / Quadripartite incuse square, divided diagonally. Seltman pl. IV, ρ; Svoronos, Monnaies, pl. I, 54–6; SNG Copenhagen 7. VF, toned.

From the collection of a Southern Pathologist. Ex Classical Numismatic Review XXIII/1 (Winter 1998), no. 23; Coin Galleries (5 November 1997), lot 144.