Kingdom of Macedon, Philip III Arrhidaios, Ae 1/2 Unit.(Bronze, 3.44 g 13mm), 323-317 BC, Salamis.
Obv: Macedonian shield, with facing gorgoneion on boss.
Rev: B - A. Helmet; kerykeion to lower left; NK monogram in right field.
Ref: Price 3162.