Jewellery, Watches and Objects of Vertu

A 9ct gold crystal brooch, 1968, the central oblong mineral specimen, possibly a micocrystaline Franckeite mass, interspersed with transparent quartz crystals, set within an abstract surround of radiating textured hoop petals, London hallmark, indistinct maker’s mark, possibly ‘JG’, length 53mm. £300-£500