Julius Erving Larry Bird dual signed One-on-One Video Game Cover JSA/PSA 189305

Offered is a Julius Erving & Larry Bird dual signed One-on-One Video Game Cover.  This was an Electronic Arts Video game from 1983 and includes the manual but not the video disc.  Larry Bird's autograph is certified by JSA and Julius Erving's autograph is certified by PSA in the Presence. It includes their tamper proof stickers and certificates of Authenticity.