Watch List notes:

THESSALY, Perrhaiboi. Circa 450-400 BC. AR Hemiobol (8mm, 0.43 g, 10h). Helmeted head of Athena right / Π-E, forepart of horse right; all within incuse square. BCD Thessaly II 553/1; HGC 4, 154. VF, lightly toned, light porosity, light scratches on obverse.

From the BCD Collection.