This MUHAMMAD ALI SIGNED EVERLAST BOXING SHOE AUTO GRADED GEM MINT 10! PSA #4A54357 has been certified authentic. PSA graded the signature on this shoe a perfect gem mint 10! It will include the PSA/DNA numbered hologram and matching Certificate of Authenticity. This item is a PSA In The Presence item, which means the PSA representative was present when this item was being signed.