THRACO-MACEDONIAN REGION, Uncertain. 5th-4th centuries BC. AR Fraction (6mm, 0.22 g). Facing gorgoneion / Crested Chalkidian helmet right within incuse square. CNG E-358, lot 29 = CNG 72, lot 305; LHS 100, lot 197 (Maroneia), otherwise unpublished in the standard references. Find patina. Good VF. Very rare.
From the Klasma Asami Collection.