I have a Rem. 1858 Pietta in Stainless I've never fired. It's not new. Have a BP rifle I rebuilt and have never fired. It's not quite "right." -- Just barely beyond a "wall hanger."
BP revolver on the coffee table, CVA Wells Fargo. $20, I turned over the trigger spring and now it works.
Spanish "Phil. Derringer" in 45 cal. I think.
Couple Uzis in the back of the safe I've fired like one time.
I have a fair number of guns that get shot once or twice and then go in the safe . . . I don't shoot like I used to. Has to do with range access and some other stuff, like a dog who doesn't like gunfire or staying home alone.