The silent film ''A Yankee at the Court of King Arthur'' was produced in 1921 by Fox Film Corporation, later 20th Century Fox. It was directed by Emmet J. Flynn, and the screenplay was by Bernard McConville. It starred Harry C. Myers as Yankee Martin Cavendish. Karl Formes played Mark Twain. According to silentera.com only reels 2, 4, and 7 still exist.
The card is embossed in the lower left corner with ''Cooper Strabane''.