ATHENS: Anonymous, ca. 440-404 BC, AR tetradrachm (17.19g), S-2526, head of Athena right, wearing earring, necklace, and crested Attic helmet decorated with three olive leaves over visor and a spiral palmette on the bowl // owl standing right, head facing; olive sprig and berry in upper left field, AΘE to right; all within incuse square, strike 4/5, surface 3/5, NGC graded Choice AU.
Estimate: USD 600 - 800