Two 19th century cameo brooches and a coral cameo ring

Two 19th century cameo brooches and a coral cameo ring
The first carved shell depicting a classical figure, beneath a glazed cover and to a fancy-link chain; the second an oval hardstone plaque depicting a delicately carved bust in profile, within a simple polished frame surround, 3.4cm. long; the carved and polished coral bust of a lady within a scrolling surround and shoulders, finger size M1/2