William Fountain - Silvermaker

Hi, could anyone tell me what period William Fountain was making silver and give an example of his mark around 1760?
Many Thanks!

William Fountain did not enter his first mark until 1791 (in partnership with Daniel Pontifex) so could not have been working in 1760. For examples of his marks and dates when I have seen them see silvermakersmarks.co.uk/Make … WH.html#WF

Thanks for your quick response & information.