Featured is a Vernon Davis signed San Francisco 49ers full size lunar eclipse speed replica helmet. This helmet was hand signed by Vernon Davis in the presence of a Beckett authentication representative. Included with the helmet is a Beckett witnessed hologram and certificate of authentication. This helmet would make a great addition to any sports memorabilia collection.. SPECIFICATIONS Autographed By: Vernon Davis Team: San Francisco 49ers Sport: Football-NFL Authentication: Beckett Grading Services