According to the records of Ann Smith's trial for adultery 13.3.1780 (London Met Arch DL/C/ & DL/C/), John Pettit was 17 and had been apprenticed to J R Smith for about a year. He stayed in contact with Ann Smith after J R Smith had banished her from his house. See Background Articles 3 Husbands, 3 Wives Living on this website. Brandes' Catalogue vol 2 p 56 listed a stipple of George Prince of Wales engraved by John Pettit in 1784 18"x7" (J R Smith's catalogue of 1798 listed a 3" circular stipple of the Prince of Wales after Gainsborough engraved by William Ward c.1784/5). BMSatires…