When you get into expensive historical firearms, values begin to diverge significantly for guns in particularly good condition. This, naturally, leads some people to take poor quality guns and make them better. Sometimes this is done with an innocent view to improving condition, and sometimes it is done with truly fraudulent intent (like renumbering parts). Today we are looking at two examples of WW1 German military C96 Mauser pistols to start to learn how to discern elements of a gun that have been repaired, improved, or outright fabricated.