Renaissance sardonyx cameo of Cleopatra, Italy 16th century

A Renaissance sardonyx cameo of Cleopatra.

Italian, second half of the 16th century.

Mounted in a later high carat gold ring.

Ring size Q UK / 8 US.

The cameo measures 2 x 2cm.

There is a chip to the tip of her nose, otherwise in fine condition.

A similar cameo of Lucretia can be seen in the last image from the Royal Collection Trust, Inventory Number; RCIN 65212, catalogued as: ?Lucretia Cameo: Italian, 2nd half 16th c.; Mount: late 18th c.?Onyx: white on translucent creamy white; open gold mount with hook-shaped suspension loop and ring | 1.9 x 1.6 cm (cameo).