This 1989-1990 NBA Hoops McDonalds basketball card of Derek Harper from the Dallas Mavericks features his authentic autograph. It has been verified by Beckett Authentication Services (BAS) with authentication number 00016504428. The card is part of the official base set and includes card number 10. Made of card stock, it is a rare and genuine addition to any collector's collection. This autographed card is a must-have for fans of the Dallas Mavericks, LA Lakers, or Illinois Fighting Illini. It was manufactured in the United States and is in English, signed with a black Sharpie. Derek Harper's autographed Dallas Mavericks 1991-1992 NBA Hoops McDonalds basketball card #10 has been authenticated and encapsulated by Beckett Authentication Services (BAS), certificate number 00016504428.