Watch List notes:

Attica, Tetradrachm, Athens, c. 500-485 BC, Ag (g 14,45; mm 23; h 4), Head of Athena r., wearing crested Attic helmet, Rv. AΘE, owl standing r. with closed wings; at l. olive twig. All within incuse square. SNG Copenhagen 15-20.
Rare, cabinet tone, very fine.