Several years back I saw a 50 or 60 thousand range (58,000 I believe) 7 1/2 inch that had been sent back to Colt in the 1960's for restoration. It had been inherited, and the new owner wanted to put it back like it was when new. The original wood stocks probably had 90% or better original finish, and the original barrel still had an excellent bore. It appeared that the cylinder had been changed, possibly for safety concerns. The finish was was good, but nothing like the original. The Colt had to have been in really nice condition before the restoration, and once done you cannot go back.