Duncan Urquhart, London silversmith, no record of apprenticeship or freedom. 1st mark entered as bucklemaker with Naphtali Hart 1791. 2nd mark 1795, 3rd (2 sizes) 1802, 4th marks as plateworkers (2 sizes) 1805. According to Grimwade their principle output, apart from buckles, seems to have been tea services of standard design.