Watch List notes:

ATTICA: ca. 440-404 BC, AR tetradrachm (17.18g), Athens, 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 5/5, surface 5/5, NGC graded Choice About Unc.

Estimate: 1,200-1,500 USD