Attica, Athens, AR tetradrachm, mounted owl-side out in 14K gold bezel with fixed bail. 24.74 grams total. Helmeted head of Athena right, with frontal eye / Owl standing right, head facing; olive sprig and crescent to left; all within incuse square. Lustrous and choice example in heavy gold custom bezel, full of fine detail. Coins minted in Athens were among the most trusted throughout the ancient world.
Estimate: 700 - 1000 USD