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Jon Bahner started with Professional Coin Grading Service in 1986. He has had many responsibilities in his tenure at the company. For sportscards Jon started collecting when he was 12 years old. In the early 1990s he was one of the principals of Total Sportscards a firm that specialized in all areas of the sportscard market. Jon joined the PSA team in 1995 and is now considered one of the top grading experts in the market. | 