Gary Sheffield game worn Yankees helmet w/Brandon Steiner loa

A Gary Sheffield game worn New York Yankees batting helmet.  The helmet shows tremendous use with tons of cleat marks, scuffs and nicks on the top.  This is a trait of Sheffield helmets during this era.  11 appears on the bill and back of the helmet.  This item comes with a Brandon Steiner LOA, stating the helmet came from his personal collection.  Note, the LOA does not specify Sheffield.