An 18th century portrait miniature mounted gold ring

An 18th century portrait miniature mounted gold ring, depicting a gentleman wearing a green jacket, with red collar and white cravat. A star order partly visible. Glazed. 1.8cm high. Fluted shank with fleur-de-lys style shoulders. Size J. And a late 18th century miniature painting mounted gold ring. Depicting a young lady with her hair tied up in a band and exposing her right breast. Glazed. Blue and white enamel border. The painting 1.7cm high. Size O.