Karl Anthony Towns autographed 16" x 20" Minnesota Timberwolves Dunk photo hand signed in silver pen with the added inscription Big Kat. This signature has been authenticated and witnessed being signed by Beckett authentication Certification Number: 1W717551. This is a QR code, put your smart phone camera over the authentication sticker and it will take you to the Beckett website to see authentication details of it being signed. No more cert cards to lose. The photo has also been authenticated by USA SM Certification Number: KT32369 and also comes with a cert card. This photo will come in a clear hard top load for display. Buy with confidence we have been selling autographs since 1992. Basketball