This revolver, factory-fitted with a skeletonized hammer, was used by American pistol wizard A.P. Lane in winning five Olympic Gold Medals in the 1912 and 1920 Olympic Games. It's a .38 caliber, revolver, centerfire from the early 20th century. Olympian A.P. Lane's Gun can be found in Gallery 13, Firearm Traditions for Today, at the NRA National Firearms Museum in Fairfax, Virginia.