Continental Greece. Attica, Athens. AR Tetradrachm, c. 454-404 BC. Obv. Helmeted head of Athena right, with frontal eye. Rev. AΘE. Owl standing right, head facing; olive sprig and crescent to left; all within incuse square. HGC 4 1597; SNG Cop. 31; Gulbenkian 519-21. AR. 17.22 g. 24.50 mm. Well centred, brilliant and superb. Lovely light golden tone. About EF/EF.