Attica, Athens. 1/8 Obol; Attica, Athens; c. 454-404 BC, Obol, 0.66g. SNG Cop-53, HGC-1665. Obv: Helmeted head of Athena r. Rx: Owl standing r., head front, olive sprig in l. field, AT? downwards in r. field. Ex CNG E251, 9 March 2011, lot 32.Highly unusual for this tiny issue, this coin has a full crest of the helmet. VF