Greek Coinages, Attica, Athens, Tetradrachm, c. 454-404, helmeted head of Athena right; uncertain symbol on cheek, rev. owl standing right, head facing; olive sprig and crescent behind; all within incuse square, 16.85g/9h (Kroll 8; SNG Copenhagen 31). Countermarks on obverse and reverse, very fine
£250-300