Original title: "I Reali di Francia".  Excellent quality print of this very elusive costume adventure from director Mario Costa.  While on a mission from Charlemagne, Rik Battaglia becomes caught in a web of intrigue by traitors at the Spanish court.  Also starring Chelo Alonso, Luisella Boni, Franco Fantasia, Gerard Landry, and others.  Letterboxed.  Dubbed in Italian, with no subtitles.