YOU ARE BIDDING ON AN AUTHENTIC CARTRIDGE OF MIKE TYSON'S PUNCH-OUT FOR THE NINTENDO 8-BIT SYSTEM. THE GAME HAS BEEN TESTED AND IT WORKS PERFECTLY. I OPENED UP THE CARTRIDGE AND CLEANED IT INSIDE AND OUT. THE PINS HAVE BEEN POLISHED . THE CARTRIDGE IN THE PICTURES IS THE ONE THAT YOU WILL RECEIVE. THERE IS NO RESERVE PRICE ON THIS AUCTION. I WILL SHIP VIA FIRST CLASS USPS MAIL WITHIN 24 HOURS OF PAYMENT. PAYMENT SHOULD BE MADE WITHIN 3 DAYS OF AUCTION CLOSE. THANK YOU FOR LOOKING AND HAPPY BIDDING.