Attica, Athens. Tetradrachm; Attica, Athens; c. 440 BC, Tetradrachm, 16.62g. Obv: Helmeted head of Athena r. Rx: Owl r., crescent and olive twig with two leaves behind; ?T? in r. field. Ex Berk 189, 24 March 2014, lot 109.Full crest of helmet. Pleasant dark toning. EF