It was subsequently sold in the US for $9,500 by auctioneer: Damon Mills Fine Antique Arms
Dealers Catalogue Description
This is a military Whitworth, serial number 449 in excellent condition. The gun has a 36" barrel. It has not been touched; nothing replaced, nothing refinished and nothing repaired. It is 100% original to include the ramrod. There is no damage, breaks, chips or cracks. The lock is marked Whitworth in front of the hammer with the Whitworth trademark (sheaf and crown over W) at the rear of the lock. The barrel is marked "Whitworth Patent". It has the original 52 bore proof marks on the left rear of the barrel. The buttplate is checkered, the trigger is checkered, the wrist and forearm are also checkered. The bore in this gun is in superb condition. There is a 'C.S.' stamped at the rear of the barrel and on the tang of the buttplate.
See also notes on this rifle by the Whitworth Research Project