Watch List notes:

Attica, Athens Tetradrachm after 449, AR 25mm., 16.44g. Head of Athena r., wearing crested Attic helmet decorated with three olive leaves and a spiral palmette. Rev. Owl standing r., head facing; olive sprig and crescent to left. All within incuse square. SNG Copenhagen 31. Svoronos pl. 11.

Double struck on rev., Extremely Fine.