This set features authentic player autographs on plastic helmet pieces imbedded on the card fronts. Please note that D.Carr, M.Hasselbeck, P.Holmes, R.Moss, T.Bradshaw, and T.Owens were issued as exchange cards in packs. A Signatures Gold parallel exists. Signatures Gold feature gold highlights, and are serial numbred to 25. Some print runs were provided by Upper Deck and are marked with an * below.. The exchange deadline is 3/19/2007.