Well... too late. I've listed a bunch of my guns for sale to be able to buy an 1874 Quigley rifle.
Ok, but I warned you!
BTW, when you get your Sharps, you may want to research the term, "Barrel Time", aka Bullet/Barrel Dwell Time.
Graduating from smokeless centerfire to BP centerfire, I had to change my shooting technique to accomodate the above phenomenon. Just like in golf, you need to follow through with your shots.