Attica, Athens. Silver Tetradrachm (17.04 g), ca. 454-404 BC. Helmeted head of Athena right, frontal eye. rev. 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. Boldly struck on a nice wide flan. Lightly toned with underlying luster present. NGC grade MS; Strike: 4/5, Surface: 3/5. Estimated Value $2,000