Spalding NBA All-Court regulation size basketball autographed in thick black marker by three key members of the Los Angeles Lakers late 1980s Showtime teams that won back to back NBA Championships in 1987 and 1988: Hall of Famers Magic Johnson and James Worthy plus sixth man Mychal Thompson. Dual authenticated by JSA and Online Authentics with their matching numbered stickers on the basketball and certificates of authenticity. SPALDING BOX NOT INCLUDED. ONLY ONE AVAILABLE FOR SALE.