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Mr. Simmons has a long career as a collectibles dealer, specializing in rare coins, antique guns and knives, Western memorabilia and Americana. Mr. Simmons has been selling rare coins since he joined David Hall Rare Coins in 1981. He has been a Director since co-founding Collectors Universe in February 1986. He is also one of the co-founders of the Professional Coin Grading Service (PCGS). Mr. Simmons is a member of the Professional Numismatists Guild. | 