ROCKWELL, Norman (1894-1978). Typed letter signed ("Norman Rockwell") with an ink sketch, to Mr. Hartunian. Stockbridge, MA, 26 May 1970. 1 page, 8vo, on personal stationery, creased at fold. Responding to a young young artist on his path to success, Rockwell writes: "My 'superb talent', as you call it, was the result of some small talent, art school and hard work." Illustrated at bottom with a small humorous drawing of a dog with a tin can tied to his tail.