Ancient Greek – Silver Tetradrachm of Attica, Athens
Obv: Head of Athena to right, wearing crested Attic helmet ornamented with three olive leaves above visor and spiral palmette on bowl, round earring with central boss, and pearl necklace.
Rev: Owl standing to right with head facing, olive sprig and crescent behind, ΑΘΕ before; all within incuse square.
Circa 454 – 404 BC · Attica, Athens · Kroll 8, Dewing 1591-8; SNG Copenhagen 31; HGC 4, 1597
Weight: 17.2g · Diameter: 25mm