Heal recorded Jacob Foster in Southwark until 1728.
Land Tax was assessed in this name on unidentified property in London Bridge precinct from 1729.
The Will of Jacob Foster, goldsmith late of Southwark, was proved for probate on 9th July 1751 (National Archives reference PROB 11/789/89).
The Land Tax assessments on the London Bridge property continued in the same name beyond 1751 suggesting either an error or a son of the same name taking over the business.