Its a Dr. Russel Smith rifle, but not stocked by Leonard Mews. Likely done by Kennedy or Pfeifer.

Dr. Russel Smith was a wealthy Doctor that loved high quality rifles and commissioned many of them from various makers.

Here is another Dr. Russel Smith rifle. This one stocked by Brownell.

http://www.gunsinternational.com/Lenard-...un_id=100059780