Fine Antique Onyx Cameo Ring of Alexander the Great, second quarter 19th century, the oval stone cut in three layers and finely detailed, depicting the ruler wearing the horns of Ammon after the 3rd century B.C. coinage, 19.0 mm x 24.0 mm, presented in a later fourteen-karat yellow gold bezel to a ten-karat yellow gold shank, size 8-1/2", overall weight 13.2 grams.

In overall good condition. The cameo with three tiny cracks on the surface: one at the back of the neck, one running from the bottom of the neck to the ear, and one from the left side of the bridge of the nose, running across the eye to the hairline. The mounting with a closed back.