|The Pittsburgh Press, Sept. 11, 1925|
Did Houdini take Mr. Sidney up on his offer? Afraid I don''t know the answer, but I'm sure the medium-debunking theme of the movie would have met with his approval.
Despite being a work by Dracula and Freaks director Tod Browning, today Wikipedia calls The Mystic "a little-known film with a cast of now-forgotten names." However, the movie survives complete and can be viewed on YouTube.