Rare stock certificate boldly signed by Harry Houdini for the Houdini Picture Corporation, a short-lived company that produced only three films either starring or directed by Houdini. Dated 21 June 1921, Houdini signs ''Harry Houdini'' as President and crosses out the title of Vice President. Countersigned by R.P. Risley as Treasurer. Stock measures 11.5'' x 8.25''. Splits starting along fold lines, overall very good plus condition with an exceptionally prominent and bold signature. With University Archives COA.