Antique malachite & gold brooch, with applied filigree grape & vine borders and gem set floral centre, marks rubbed, 1x diamond, emerald, ruby and sapphire, 4.8 cm diameter
A Victorian pietra dura oval 9ct rose gold brooch with a shell & ribbon pattern, inlaid in black onyx with an agate, tiger's eye shell & a malachite ribbon with a rose gold frame, 5.5 x 3.7 cm, Wt 17 grams
A malachite goldfields brooch by J.W.Dunkerton, the large oval malachite plaque set within a surround of leaves and tendrils, hallmarked, in 18ct gold.