Watch List notes:

ATTICA, Athens. Circa 515-510 BC. AR Hemiobol (7mm, 0.42 g). "Wappenmünzen" type. Wheel with four spokes / Quadripartite incuse square, divided diagonally. Seltman pl. IV, αα; Svoronos, Monnaies –; SNG Copenhagen –; SNG München 17. VF, porous. Rare denomination.