ATTICA, Athens. Circa 500/490-485/0 BC. AR Tetradrachm (20mm, 17.05 g, 7h). Helmeted head of Athena right / Owl standing right, head facing; olive spray behind; all within incuse square. Seltman group Gii (unlisted dies); Asyut group IVg; SNG Copenhagen -; cf. SNG München 28-34. VF.