Attica, Athens (c. 454-404 BC), AR Tetradrachm, 17.22g, 8h, helmeted head of Athena right, rev. AOE, Owl standing right, head facing, olive sprig and berry in upper left field, all within incuse square (Kroll 8; HGC IV, no. 1597), well-centred, with light tone, good very fine.
Estimate: £250 - £350