Tom Brady and Patrick Mahomes, two of the greatest quarterbacks of all-time, have each hand signed this Super Bowl LV Riddell Speed full-size authentic helmet at a private signing. This helmet is fully padded inside like the ones worn on the field. Brady's signature is authenticated by Fanatics Authentic, the exclusive memorabilia company for Tom Brady. A Fanatics Authentic serial-numbered hologram is on the helmet. Mahomes's signature comes with a certificate of authenticity (COA) from Beckett Authentication Services and was signed in the presence of one of their representatives. You will receive a serial-numbered COA along with a matching serial-numbered sticker on the helmet. The authenticity of both signatures can be verified online by entering the serial numbers.Item pictured may not be the exact item you will receive. It will be similar quality, and we guarantee your satisfaction.