Well for those who are interested. On March 15th, 2015 the James D. Julia auction house auctioned off most of Elmer Keith's firearms. Among the many spectacular firearms was a double rifle made by W.J. Jeffery in 450/400 3". Boxlock with 24 inch barrels. Made in 1909. Original owner was Jim Corbett. Later owned by Elmer Keith. It sold for $264,500.00 (USD). For those who want to know more. Here is a link.

http://jamesdjulia.com/item/1038-373/

http://jamesdjulia.com