Kareem Abdul-Jabbar 1979-80 Los Angeles Lakers purple authentic throwback jersey made by Mitchell & Ness (RARE DISCONTINUED JERSEY, NOT A BOOTLEG!), autographed Abdul Jabbar in black marker on the back left 3. Kareem is one of the most difficult autographs to obtain among the living members of the NBA's Top 50 players of all time. Obtained directly from private signing. Authenticated by JSA with their matching numbered sticker on the jersey and Letter of Authenticity. Size 60 (4XL). With certificate of authenticity from AutographsForSale.com. ONLY ONE AVAILABLE FOR SALE.