Hidden along the top right edge of the theatre poster for National Treasure is a small (one inch) faded image of the square and compasses. Note the historically inaccurate use of the letter "G".
National Treasure. Nicolas Cage, Justin Bartha, Sean Bean, Diane Kruger, Harvey Keitel, Christopher Plummer, Jon Voight. Directed by Jon Turteltaub, written by Ted Elliott, E. Max Frye. USA, English. Colour, Stereo. 131 min (Adventure). Movie trailer found at bvim-qt.vitalstream.com (accessed 2004/09/16).