Attica, Athens. Circa 454-404 BC. Silver Tetradrachm (17.10 g). 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. Struck in high relief, a pleasing example and well centered, untoned. NGC grade AU; Strike: 5/5, Surface: 4/5. Estimated Value $1,200 - 1,500