I've had dealings with Greg and Sparkle City for a little over a year. Over the last year I've sold over $180,000 in golden age books including my CGC 8.5 All Star #8 that went for $80,000. In that time I've only delt with Greg and everyting had gone better than I could have hoped. Greg always answered my questions, concerns and was willing to help out in any way possible. I can't address any issues with his past but from my experience he has been 100% professional and I have had no issues in dealing with him. I do believe that we all make mistakes and not every deal goes the way we hoped. With that being said I have no problem with Greg or Sparkle City and will continue to do business with them in the future. If anyone had any additional questions don't hesitate to ask.