Athens - AR Tetradrachm 455-449 B.C. Obv: head of Athena right, wearing crested Attic helmet ornamented with three olive leaves above visor and spiral palmette on bowl, round earring and pearl necklace. Rev: AQE to right of owl standing right, head facing, olive sprig and crescent to left, all within incuse square. Svoronos pl. 14, 9. 17.17 grams. . Ex UK private collection.