What's The Right Price For MoPete's Head Sweat?

We are not experts in the field of sports memorabilia, so we have a difficult time gaging just how much a certain piece of game-used swag is supposed to be worth. A John Kruk jock strap? A Michael Barrett cup? Mike Vanderjagt's shoulder pads? We have no idea. » 4/17/07 1:15pm 4/17/07 1:15pm