Real Madrid 25/26 shirt signed by one of the most promising players in the world right now, Franco Mastantuono, the future 10 of Argentina!!! Never seen in the market!!! You can be the first owner!! You can see the exact moment when he signed it. It is a perfect proof!!! We also provide our numbered Certificate of Authenticity for this article. Great opportunity!! This is where I show part of my collection: https://www.instagram.com/footballandmemorabilia/