I don't know what you paid for it, Echo99, and I'm not asking, but I seriously doubt that the pawn shop knew what it had there. These are unicorns, and to stumble upon one in the wild like you did is rare good fortune indeed.
If you type KJF into the search box here on the Forum, you'll get a set of responses that will allow you to "read all about it."
Enjoy that fine 45!
