.45 Colt? Score!! I remember a time when I was at the indoor range. For whatever reason, I was the only person on the line at the time. I walked in and looked down on the floor, like always, and I saw some big revolver cases lying there. I figured that they were .44 Mag, which is treasure enough, but when I turned them over and looked at the headstamp, I saw .45 Colt.
I scurried around and quickly picked up almost 50 once fired .45 Colt cases! My day was already made without having fired a shot.
Keep that .45 Colt revolver idea in the back of your head when your wife is more amenable...then you can keep the cases if you're that lucky again.