Hey congrats, this stuff happens, its happened to most of us (maybe not to this extent) but they are out there. Usually not at pawn shops.
You really should keep it, unless its messed up somehow, not many non 22 cal handguns can match its accuracy. And the one you have is certainly a collectors item, its value will go up a lot faster than gold. Just shoot it, and take care of it. And save the receipt...I have sold several P/C semi autos over the years, I still have quite a few,BUT I REGRET selling ANY of them , so don't. If you like to shoot chances are you may never get to the time when you will spend 3500-4500 for a single pistol. And as of right now you own one for a fraction of the cost....
And by the way DONT sell it to some friend who has to have it or they might die or something, only to see them 6 months later and be told oh I needed the money so I sold it, it didn't really shoot that well for me, my wife thought it was ugly etc...Good luck Bob