Interesting site: http://www.momentsintime.com/index.htm
Autographs, Documents, Manuscripts, Signed Photographs & Other Original Historic Memorabilia.
For Instance: Elvis Presley's Smith & Wesson 357 Magnum Revolver.... http://www.momentsintime.com/Elvis%20Gun.htm
Pilots of Aviation History.... http://www.momentsintime.com/Aviation%20History.htm
http://www.momentsintime.com/Aviation%20Page2.htm
More... lots more!