"Jack Dee: "Dear Jock: Isn't it disgraceful the way certain game shows rig their results by pretending to choose winners at random? Yours in disgust, Mrs. Trellis. P.S. Send the book token to the usual address.""
January 1, 1970
https://en.wikiquote.org/wiki/I'm_Sorry_I_Haven't_a_Clue