Watch List notes:

Attica, Tetradrachm, Athens, c. 465-454 BC; AR (g 16,94; mm 24; h 3); Head of Athena r., wearing Attic helmet decorated with three olive-leaves and a palmettae, Rv. AΘE, owl standing r.; behind olive spring and crescent. All within incuse square. SNG Copenhagen 31 ff.
Old cabinet tone, extremely fine.