Attica, Athens. Drachm; Attica, Athens; c. 454-404 BC, Drachm, 4.15g. SNG Cop-41. Obv: Helmeted head of Athena r. Rx: Owl standing r., head front, olive sprig in l. field, AT? downwards in r. field. Ex CNG 82, 16 September 2009, lot 509.Extremely well centered. Full crest of helmet which is highly unusual for a drachm. VF