Our company has a validation system. If you enter the COA number can be validated. Hologram & Secure Number & Barcoded. The item “2017 UEFA CL Messi + Ronaldo Signed Official Ball + Official COA, RARE” is in sale since Thursday, February 15, 2018. This item is in the category “Sporting Goods\Team Sports\Soccer\Clothing, Shoes & Accessories\Clothing\Men”. The seller is “gjdntj-4″ and is located in cheongju-si. This item can be shipped worldwide.