[Prince Adolphus, Duke of Cambridge, Viceroy of Hanover.] Autograph Signature ('Adolphus Frederick. | Genl: & Col: in Chief' [of King's German Legion]) to order in secretarial hand for payment from Messrs Greenwood Cox & Co to Lieut. Charles Michaels

1p, 4to. In good condition, lightly aged. Endorsed: 'Contingent Account | An Order for Messrs Greenwood Co to pay Lieut Chas Michaelmas [sic] ten Pounds 31st Augst 1814 [sic]'. The Duke signs: 'Adolphus Frederick | Genl: & Col: in Chief'. The rest of the document is in a secretarial hand, and reads: '£10. | Legion Office 31st. Augst. 1813. | Messrs. Greenwood Cox & Co. pay to Lieut Charles Michaelis, late of the 1st. Line Batton. or bearer, Ten Pounds to enable him to proceed to the Continent, and charge the amount against the ['258' added in another hand] Contingent Accout of the Off: ['38' added in a third hand] reckonings of the Kings German Legion'. From the distinguished autograph collection of the psychiatrist Richard Alfred Hunter (1923-1981), whose collection of 7000 works relating to psychiatry is now in Cambridge University Library. Hunter and his mother Ida Macalpine had a particular interest in the illness of King George III, and their book 'George III and the Mad Business' (1969) suggested the diagnosis of porphyria popularised by Alan Bennett in his play 'The Madness of George III'.