This similar item (Drazen Petrovic ROOKIE basketball card) is on sale on ebay by 2 sellers:

first one start at USD 5,000.00
http://cgi.ebay.com/NBA-BASKETBALL-C...QQcmdZViewItem

second at USD 0,07
http://cgi.ebay.com/NBA-HOOPS-1990-R...QQcmdZViewItem