Art Deco Peacock butterfly brooch, circa 1935. Photo courtesy Hancocks & Co

Beautiful multi-gem brooch designed as a Peacock butterfly in ruby, diamond, amethyst and blue and yellow sapphires with a diamond-set body and further diamond highlights circa 1935; 130 baguette and brilliant-cut diamonds diamonds 4.00cts approx; 78 calibré-cut rubies 10.00cts approx; 94 calibré-cut yellow and blue sapphires 7.00cts approx; 32 calibré-cut amethyst 3.00cts approx. Platinum marked PT950 and 18ct white gold. Clips both attached to a frame that allows both halves to be worn together as one brooch or separately as two clips both with double-prong brooch fittings. Weight 31.10gms - Dimensions 6.70cm x 4.50cm. Price: £25,000 to £50,000