COINAGE ARTICLE INTERVIEWS JOHN FEIGENBAUM

Feigenbaum developed software pricing platforms and cataloging for coins in the 1990s and 2000s with the development of coin tracking technology at his Virginia firm David Lawrence Rare Coins, later followed by CoinPlex (now CDN Exchange), Greysheet.com, and the CDN pricing app for mobile devices.

CDN Publishing publishes the long-running Coin Dealer Newsletter, the iconic price guide widely dubbed the “Greysheet.” In 2015, the company was acquired by Feigenbaum, a man who has long been known by many in numismatic circles. Feigenbaum rose to prominence in the 1990s and 2000s when he helped his father, David Lawrence Feigenbaum, turn what was a relatively small coin business into a well-known industry dealer.

Though the elder Feigenbaum passed away in May 2002, John continued building David Lawrence Rare Coins into a major coin business and, eventually, handled some of the rarest, most valuable coins known. In this interview we learn how John Feigenbaum turned his passions for coins, marketing, publishing, and technology into a colorful career.

To read the complete article, see:
John Feigenbaum: The Bill Gates of Coins (http://coinagemag.com/john-feigenbaum-the-gill-gates-of-coins/)

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