An early 19th century portrait miniature set tortoiseshell box

An early 19th century portrait miniature set tortoiseshell box
The circular portrait miniature painted on ivory to depict a young lady, her side parted hair tied in ringlets, wearing a muslin dress, gold necklace and coral earpendants, mounted in gilt metal on a circular tortoiseshell box, French school, circa 1810, mounts deficient from box, chipped