We have Rat guns and Beater guns, I suppose we ought to include Rescue guns in the mix, too.
Mine's a Colt Officer's Heavy Barrel Target Model. Probably used as a suicide gun, deeply pitted all over the outside, including inside the last half-inch of the bore by the muzzle. Finish varied from speckled pale blue to white to reddish brown, in patterns that made your eyes hurt when you looked at it. Also had some timing issues, too. Should have scrapped it for parts, but I took pity on it instead.
I found a gunsmith who could bring the internals up to spec for a surprisingly reasonable cost, then counterbored the barrel back to fresh clean rifling, and finally gave it an even coat of cheap cold blue so at least it's all one color now. It's still pitted and ugly, but it shoots better than I can. And the action is perfect.
I clearly put more money into that revolver than it's worth, and I suspect my gunsmith put more time into it that I paid him for, but now there's one more sweet old gun in the world that we can enjoy without worry and that will probably outlive all of us.