Jonathan Wilkinson was involved in the early silver plate trade. In 1776, he registered a silver mark (‘I.W’) as a plate worker at Silver Street. Little is known about his career and he never appeared in a Sheffield directory. Broomhead, Wilkinson & Brittain included a Jonathan Wilkinson (who died on 23 November 1793), but whether he was the silversmith in Silver Street is unknown. Interestingly, Hannah Wilkinson registered a silver mark (‘HW’) at Silver Street in 1792.&nbs....