Jewellery, Watches and Objects of Vertu to include the personal archive of Louis Osman, goldsmith and architect

A Victorian gold garnet and diamond set brooch, 1870s, the shaped boss brooch of quatrefoil lozenge outline, centred with a cabochon garnet inset with an old brilliant-cut diamond star, the mount with applied bead and ropetwist wirework detail, glazed locket verso, bearing applied registration mark for Class I, parcel number 2, 9th May 1870, brooch length 41mm. £200-300