Fred McGriff Cubs batting helmet

[Flamechicken]

Hi all,
I wanted to get some opinions on this helmet and if anyone had any additional information on the seller jl-authentics.

I'm a McGriff jersey collector, but know nothing about helmets. Thanks

http://www.ebay.com/itm/2001-Chicago-Cubs-Fred-Mcgriff-Game-Used-Worn-Helmet-9-11-Rare-/252058279237?hash=item3aafd81d45