Kobe Bryant was purple and gold as a 13-year-old — signing his middle school friend’s yearbook with “How bout those Lakers” — and now the book can be yours. Iconic Auctions has the super-unique piece of memorabilia on the auction block … and it’s pretty amazing. In 1992, Kobe — who just returned to the U.S. from Italy — attended Bala Cynwyd Middle School in Pennsylvania … where he played on the basketball team.