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

An early verge pocket watch, by Hovenschiold, Stockholm, in English silver case, 1786, the signed white enamel dial with black Arabic numerals and outer 5-60 minutes scale, pierced work hands, under high dome bull’s-eye glass, the full plate verge fusee movement signed and numbered ‘457’, in silver plain case hallmarked for London, 1786, diameter 65mm. £480-520