Greek CoinsAttica, Athens. AR Tetradrachm, c. 454-404 BC. Kroll 8. HGC 4, 1597. SNG Cop. 31. Gulbenkian 519-21. 17.2 g. 25.5 mm. Continental Greece. Attica, Athens. AR Tetradrachm, c. 454-404 BC. D/ Helmeted head of Athena right, with frontal eye. R/ AΘE. Owl standing right, head facing; olive sprig and crescent to left; all within incuse square. Kroll 8. HGC 4, 1597. SNG Cop. 31. Gulbenkian 519-21. AR. g. 17.20 mm. 25.50 An outstanding example, well centred on a broad flan, with most of crest visible. Prettily toned with underlying luster and light iridescent hues. EF.