Zach Thomas, former All-Pro linebacker for the Miami Dolphins, has hand signed this Dolphins Riddell Speed Chrome mini helmet at a private signing. This item comes with a certificate of authenticity (COA) from Beckett Authentication Services and was signed. Of one of their representatives. You will receive a serial-numbered COA along with a matching serial-numbered sticker on the helmet. The authenticity can be verified online by entering the serial number.Item pictured may not be the exact item you will receive. It will be similar quality, and we guarantee your satisfaction. The item "ZACH THOMAS AUTOGRAPHED SIGNED MIAMI DOLPHINS CHROME SPEED MINI HELMET BECKETT" is in sale since Tuesday, March 3, 2020. This item is in the category "Sports Mem, Cards & Fan Shop\Autographs-Original\Football-NFL\Helmets". The seller is "college_authentics" and is located in Allen, Texas. This item can be shipped to United States.