This Autographed Spalding Super Tack Indoor & Outdoor Basketball has been Personally Signed by Kareem Abdul-Jabbar of the Los Angeles Lakers. This item is 100% Authentic and comes with a PSA/DNA Certification numbered Hologram. Please note that PSA/DNA no longer provides serial-numbered COA cards, and the attached PSA/DNA sticker will serve as the complete authentication for this item. This is a PSA in the Presence Authenticated item which means a PSA representative was present when this item was being signed. The authenticity can be verified on Professional Sports Authenticator website. This basketball will not come with its matching PSA card, however, its authenticity can still be verified on PSA's website.