Attica, Athens. Silver Tetradrachm (17.03 g), ca. 510/0-490 BC. Helmeted head of Athena right, wearing earring. Reverse: [A]ΘE, owl standing right, head facing; above to left, olive-spray with berry; all within incuse square. Seltman grp. H; Svoronos pl. V, 25. Excellent metal and well centered on a compact planchet, lightly toned. NGC grade XF; Strike: 5/5, Surface: 4/5. Estimate Value $3,000 - 4,000