^^ Thanks Gary
These are obviously not Colts, just as seen from a distance. #2 is especially striking as not being even remotely close to a Colt or authentic-pattern Colt copy. #3 has a grip frame shape that does not resemble an authentic Colt or an authentic Colt-pattern copy.
Pretty obviously they are "guns", with the suggestion that they are theaterical is not one that likely has much merit. There would be no reason to go to the trouble to specially make what could be bought. Percussion revolvers were a dime a dozen worldwide at one time. Anyone wanting one for the stage would just buy one.
Detailed pics would be useful, including proof marks, etc. Four of five pics per gun would be the best, if you can manage that. Be an interesting study.