Memorandum from AEHT (Board Room, Custom House, Lower Thames Street [London]) to James Grigg [Principal Private Secretary to the Chancellor of the Exchequer] including: background information about D Crimp, formerly of Ladbrokes, and his totalisator business; Crimp's exaggerated estimate of betting turnover at £800 million; estimate of £200 million of dutiable turnover; illegal betting; tax evasion by bookmakers; and efforts to investigate a secret clearing house and gambling dens.Typescript annotated by WSC in red ink.