Watch List notes:

Attica, Athens, Tetradrachm, c. 475-465 BC; AR (g 17,21; mm 24; h 8); Helmeted head of Athena r., with frontal eye, Rv. ΑΘΕ, owl standing r. head facing, spread tail feathers; behind, olive sprig and crescent; all within incuse square. Starr Group IV; HGC 4, 1595.
Untouched patina, good extremely fine.