Thanks for the information. This DR looks like the Thonon rifle. Demarteau DR. Put together in Liegé by Jeanne Demarteau in 1966. Simple but well done engraving. Very good to shoot with, 40 mm at 90 meters. I bought it a year ago and have shoot some elks and wild boars with it.
Link: http://s968.photobucket.com/albums/ae166/demarteau/Demarteau%20DR/

Sville