Watch List notes:

THRACE, Selymbria. Circa 492/0-473/0 BC. AR Diobol (10mm, 1.15 g). Cock advancing right / Quadripartite incuse square. Schönert-Geiss, Bisanthe 29–30 var. (unlisted dies); SNG Copenhagen –; HPM pl. XV, 15. Near VF, find patina. Rare.