Attika. Athens, circa 454-404 BC. Silver Tetradrachm (19 mm, 17.15 g.). Helmeted head of Athena to right. Rev. AΘE, owl standing right, head facing; [olive sprig] and crescent to left; all within incuse square. Kroll 8; HGC 4, 1599. Irregular smaller flan, typical for the period. Test-cut on obverse. Some wear. Fine.