Rock Island Auction company has a lot of interesting historical items beyond Hermann Georing's pistol.
There is knife used by Theodore Roosevelt, pistol with Heinlich Himmler signature engraving, Colt 1900 in .38 rimless that came back from oversees
You can see more from Guns.com article
http://www.guns.com/2016/08/08/come-drool-over-these-rare-weapons-in-an-upcoming-super-auction-photos/