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

An 1840s gold and enamelled revivalist necklace and brooch, with matching earpendants, in fitted case, the necklace composed of open tri-part hollow hoop links with central green enamelled quatrefoil detail, and set with Tudor rose links of red, white and green enamel between, centred with a shaped panel with raised polished borders, applied with enamelled thistle, rose and shamrock details, together with a brooch of corresponding design, glazed locket verso, suspending three detachable flared reeded drops below, decorated with polychrome enamel and applied with similar motifs, and a pair of matching elongated drop earpendants, (lacking fittings), all contained in fitted maroon leather case, necklace length 57cm, brooch length 7.5cm. £4000-6000