Boris Karloff contract signed for the 1951 horror film ''The Strange Door''. Dated 12 May 1951, Karloff signs the verso ''Boris Karloff'' in black felt-tip, agreeing to play the role of Voltan in the film for a salary of $6,000. Two page contract on one sheet measures 9'' x 19''. Hole punched at top, several staple punctures on edges, and light wear, overall in very good condition. With PSA/DNA COA.