Three items of early-mid 19th century jewellery

Three items of early-mid 19th century jewellery, including an agate and gilt metal hinged bangle, the central oval agate is collet-set above a surround of textured acorns and oak leaves, bangle shoulders similarly decorated, 5.5cm diameter, together with a cameo-set gilt metal bracelet, the two oval-link chains with hardstone-set clasp, each applied with a hardstone profile of a moor wearing a gilt metal necklace, 18.5cm, and a two-colour oval jasperware cameo and gilt metal bracelet, the alternating blue and beige plaques depicting busts of women, collet-set to the ropetwist surround, 16.5cm long