Attica, Athens. Silver Tetradrachm (17.14 g), ca. 454-404 BC. Helmeted head of Athena right, frontal eye. Reverse: AΘE, owl standing right, head facing; above to left, olive-spray with berry and crescent; all within incuse square. Kroll 8; Svoronos pl. 14; SNG Copenhagen 31-40. Lovely compact style, struck in high relief, perfectly centered and delicately toned. Superb Extremely Fine. Estimated Value $1,000 - UP