From the Dekadrachm Issue

CNG 111, Lot: 144. Estimate $3000. Sold for $13000. This amount does not include the buyer’s fee.

ATTICA, Athens. Circa 475-465 BC. AR Tetradrachm (22.5mm, 17.19 g, 11h). Head of Athena right, wearing round earring and crested Attic helmet decorated with three olive leaves and a spiral palmette on the bowl / Owl standing right, head facing, legs parallel; olive sprig to left, AΘE to right; all within incuse square. Starr Group II.C, unlisted dies; Svoronos, Monnaies, pl. 8, 18–22; HGC 4, 1593. Good VF, toned. Well centered and struck from high relief dies. From the same issue as the famous Athenian Dekadrachms.