Signed Franco Mastantuono 30 Real Madrid 2025-26 (Size L) | Beckett Grade 8

Beckett graded this signature 8 out of 10 on Franco Mastantuono's Real Madrid shirt, signed on the back, on the number, size L. This is Mastantuono's first Beckett certification of his own signature, recorded in Madrid, Spain, on 26 August 2025.

The shirt

Adidas made this Real Madrid home shirt for the 2025-26 season in white, with the club's Emirates front sponsor and a 'Made in Thailand' print inside the neck label. The shirt remains in excellent condition, with the original tags still attached, a Fanshop Match shirt built to the same specification as the shirts worn on the pitch, sold through the club's own official channels for that same season, in size L.

Authentication by Beckett

Beckett issued certificate BV09682 for this signature, backed by a certificate of authenticity, a letter of authentication, and a grade of 8 out of 10. The shirt also carries an Iridescent Hologram Disc sticker, sealing the signature to that specific certificate. A collector can check the certificate number, the letter and the hologram directly against Beckett's own published record, independent of anything Walkouts states.

The signing

Walkouts recorded this signing directly: proof code 25FMA20027730 ties the shirt to a session in Madrid, Spain, on 26 August 2025. Mastantuono signed at that session, pictured in an Argentina training top, holding a mate gourd and bombilla as he looked over the black number cutouts against a red wall, and that proof code is what a collector holds against Walkouts' own record of the session itself.

For the collector

Mastantuono's path runs through Argentina's under-20 side and Club Atlético River Plate in 2025, before the full Argentina national team call-up and the move to Real Madrid, playing as an attacking midfielder and forward. Owning this signed shirt anchors a collector to the season that path led to, the River Plate player turned Real Madrid player, born 14 August 2007, who first wore Argentina's colours at under-17 level in 2023.

What You Receive: The Signed Shirt

You receive the signed shirt, photo proof of signing, a certificate of authenticity, and a letter of authentication.

Why Walkouts

We hand you proof you can check without us. Authentication from the names collectors already trust, our own signing proof captured the moment the marker touched the shirt, and the full chain behind both, so your certainty rests on evidence you hold yourself. We've bought fakes. We know that feeling, and we built Walkouts so you never have to.