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

A George II silver pair cased verge pocket watch and a George IV silver cased open face pocket watch, the first, with white enamel dial, black Roman numerals and Arabic outer minute scale, with steel hands, the movement signed ‘Wm Smith Junr, London; and engraved ‘May 24 1758’, the verge movement with square section flared columns, the silver case hallmarked for London 1757, maker’s mark probably ‘WA’, with matching hallmarks to outer case; the second watch with white enamel dial, Roman numerals, seconds subsidiary dial and gilt spade hands, the unsigned movement, stamped PATENT’, with rose-cut diamond endstone, case hallmarked for Birmingham 1820 and stamped ‘HH’, with matching hallmarks to inner back case, first watch diameter 4.8cm, second 5.3cm. £100-160