Watch List notes:

Attica, Athens, tetradrachm, c. 440 BC, helmeted head of Athena right, rev., ΑΘΕ, owl standing right with head facing, 17.20g (cf. Starr pl. 22, 1; Svoronos pls. 11-12), good very fine
(Estimate: 400 - 500 GBP)