John Feigenbaum started attending coin shows at the age of 5 and has been a professional numismatist in some capacity ever since. As president and owner of David Lawrence Rare Coins, John has bought and sold many great rarities and built relationships with thousands of coin collectors over many decades. John most enjoys the application of technology to the coin hobby and the Newman Numismatic Portal is a dream project that will deliver much-needed numismatic information to coin collectors. John wrote The Complete Guide to Washington Quarters, in 1993, and received the Abe Kosoff Founder's Award from the PNG in 2014.Feigenbaum graduated from Virginia Tech in 1990 and was a principal in David Lawrence Rare Coins, which was founded by his father. He purchased the Coin Dealer Newsletter (with partners) in 2015 and currently (7/2018) is the CDN Publisher. Feigenbaum is also a consultant to the Newman Numismatic Portal.
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"The Complete Guide to Washington Quarters" by John Feigenbaum.
"The Complete Guide to Certified Barber Coinage" by David and John Feigenbaum.