Attica, Athens. Tetradrachm; Attica, Athens; c. 350-294 BC, Tetradrachm, 17.24g. Obv: Helmeted head of Athena r. Rx: Owl r., crescent and olive twig with two leaves behind; ?T? in r. field. Ex CNG E249, 9 February 2011, lot 112.Obverse struck with possibly corroded die, but well centered for this oddly shaped issue. EF