Attica, Athens, AR tetradrachm "owl," 5th-4th century BC, mounted owl-side out in silver bezel with shackle bail. 25.90 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. Polished VF coin with light scratches in owl-side field, thick custom silver setting, very eye-appealing and a popular issue. With photo-certificate.
Estimate: 350 - 500 USD