This MUHAMMAD ALI & MICHAEL JORDAN SIGNED 16X20 PHOTO MATTED 43/50 STEINER & UDA #UAS03323 has been certified authentic. This very rare item is a limited edition numbered 43 out of only 50 in the world. This is signed by 2 of the greatest athletes of all time. It will include the UDA numbered hologram and matching Certificate of Authenticity. It also comes with the Steiner hologram and the Online Authentics hologram.