Full time dealer after 1972. Founder of Professional Coin Grading Service (PCGS). Formed Collectors Universe in 1998. Chairman and CEO of Collectors Universe. He was terminated on September 18, 2018. He contributes the column, "An Insider’s View” to Coin World.
In 2012 he was inducted into the PCGS CoinFacts Coin Dealer Hall of Fame. In 2021 he was on the Coin World list of The Most Influential People in Numismatics 1960-2020. He made the list again in 2022.
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The Wells Fargo Nevada Gold Discovery
Marketing brochure offering examples from the Wells Fargo gold hoard.