Watch List notes:

The Hanlon Collection | Attica, Athens, AR Tetradrachm, 330BC, Helmeted head of Athena right, rev Owl stg right, head facing front, A O E in right field, olive sprig and crescent on left. 17.09g, (S/2535 ; Starr, pl. XXIII, 12 ; B.M.C 11. 61 ) Porous metal, mottled toning, most likely a Peloponnesian war issue, due to the sloppy artistry and poor strike, F.

Estimate: £200 - £400