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Message:: [QUOTE="Conder101, post: 2902392, member: 66"]PCGS did it as well.  Both PCGS and Compugrade debuted their computer grading  services at the August ANA show in 1991.  PCGS had announcements that it was coming n Coin World for a couple of months before that.  Then shortly after the ANA PCGS quietly dropped the idea and Compugrade disappeared by the end of the year.  So yes the technology has been around for 25 years.  PCGS reintroduced part of it when they began their secure shield program.  An important part of the system was the scanning of the coins and the creation of a unique digital fingerprint for each coin.  That allowed the computer to be able to recognize the coin if it was ever resubmitted.  That scanning and digital fingerprinting was brought back for the Secure Shield program, but since it is only done for Secure Shield if a coin is sent back in under the regular tier submission it will not be scanned and recognized.  This is unfortunate because such a scanning program could be used to help identify stolen coins that are cracked out and resubmitted.[/QUOTE]