You should probably just get one through your carrier if you don't know
what that means. Plus you'd get at least some sort of warranty
protection if you did it that I (I think) whereas you wouldn't if you
got a used unlocked iphone. Unlocking them vo...
I can't really estimate a dollar figure for you, but a serious fan of
either one of those teams would probably be willing to spend some cash
to have that as a collectible/furniture piece. They look nice.