Depends on the authentication and what team he was with when the bat was used. Yankees game used with autograph would sell at a premium.
it is worth a £10
it is worth about 250,000
30-50 bucks
100.150 + price of the shirt. Also depends on the person you are selling it to
About $40.
It is worth $15-20.
It is worth about $200.
$200. $2k if he wore it in a game and you can photo match.
Exactly of july 6 2012 it is worth 679.50 unautographed autographed it worth 3 times as much
nothing
about $150
$500