Attica, Athens. Silver Tetradrachm (17.18 g), ca. 353-294 BC. Diademed, draped and cuirassed bust of. Reverse: AΘE, owl standing right, head facing; above, olive spray and crescent; all within incuse square. Kroll 15c–d; SNG Copenhagen 63. Well centered with a magnificent reverse. All beautifully toned. Extremely Fine. Estimate Value $500 - 600