I have one caliber 577NE , boxlock, bought in a first time in London by Webley & Scott on march 9 1909 . I take it 2004 across Germany, the rifle was in Nairobi/Kenia. I never heard about DR by Webley & Scott before, and the company is broke since 2005 ! Very difficult to find documents, only old catalogs ! www.armsresearch.co.uk