A lengthy Autograph Letter Signed, to his son William, giving paternal advice about behaviour and study, recommending that William values the advice of Dr. Jelf, destined to rise “very high in the Church”, insisting on improvement in “your manner of writing”, spelling and punctuation, by copying a page every morning from the Spectator, the Rambler, Idler, or Adventurer, etc. 8 pp. 8 x 5 inches, in good condition, a few tiny pinholes. 2 November 1828 “I have bought one Picture since we parted – namely Mr. Northcote’s Father, a Portrait by his Son.” Sir William Knighton, first baronet (1776–1836), courtier and physician, was Assistant Surgeon at the Royal Naval Hospital Plymouth, and then commenced private practice, initially in Devonport, in London from 1803 then briefly Edinburgh, then in London again from 1806. He was Medical Officer to the Embassy to Spain in 1809. In September 1822 Knighton gave up his lucrative medical practice to devote himself fully to the service of King George IV, having been officially appointed keeper of the privy purse in succession to Sir Benjamin Bloomfield. He attended the King in his last illness.