Trent Williams Signed San Francisco 49ers Speed Mini Helmet (JSA Witness COA) Football He is perhaps best known

He is perhaps best known for his 56-game hitting streak (May 15 - July 16

Includes an official USA Sports Marketing/Franco serially-numbered hologram for authenticity purposes

Keenan Allen autographed custom on-field style Dark Navy jersey

New York Yankees minor league manager

Trent Williams Signed San Francisco 49ers Speed Mini Helmet (JSA Witness COA) Football He is perhaps best knownTrent Williams autographed Riddell Speed mini helmet, San Francisco 49ers. This autograph is certified by James Spence Authentications (JSA) Witnessed Protection Program. That means that a JSA representative was present when this item was signed. It comes with the numbered hologram and matching Certificate of Authenticity.