This item comes with a certificate of authenticity (COA) from JSA - James Spence Authentication 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 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 "PATRICK MAHOMES SIGNED KANSAS CITY CHIEFS SUPER BOWL LIV SPEED AUTHENTIC HELMET" is in sale since Sunday, March 8, 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, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Brazil, Chile, Colombia, Panama, Jamaica, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion, Viet nam, Uruguay.