Watch List notes:

Thraco-Macedonian Tribes, Derrones(?) AR Hemiobol. Circa 5th Century BC. Head of Athena(?) to left wearing a Corinthian helmet / Corinthian helmet, Δ below; all within incuse square. Roma E-81, 248; Naumann 98, lot 44 (Greek, uncertain); otherwise apparently unpublished in the standard references. 0.27g, 7mm, 3h.

Good Very Fine. Extremely Rare, possibly one of only three examples.

From the inventory of a German dealer.