Thomas Pitts IMaker name
Undated
silver
Seen on objects dated 1761–1776, 1790–1791.
silver
Attribution by Grimwade Grimwade, Arthur - London Goldsmiths, 1697-1837: Their Marks and Lives, Faber & Faber, 1990 but noted as "Not in register" with a registration date "c1758". He also notes that this mark was formerly attributed to Thomas Powell.