Elis. Olympia. c. 420-400 BC. Stater, 11.57g (6h). Obv: Head of Hera right, wearing a bride's crown (polos) ornamented with palmettes and dots. Rx: Letters F-A and flaming thunderbolt, all within olive wreath. Seltman 257 (dies ΕΕ/ηκ). Ward Coll. 539 (same dies). BCD Olympia 71 (same dies). VF
This issue is now often dated to the 92nd Olympiad, 412-409 BC. Charles Seltman's corpus of the staters of Olympia, which is still the main reference, provides a much wider bracket, 421-385 BC. In fact our chronology is not yet secure enough to assign the issues to specific Olympiads. What can be said is that this stater was struck during the Peloponnesian War, around the time when the chariots of Alkibiades were creating a sensation at the games