David Lawrence Rare Coins (DLRC) trades and auctions U.S. rare coins certified by PCGS, NGC, and CAC. They hold weekly internet auctions and offer sellers the option of direct sale or consignment. The company was founded in 1979 by David Lawrence Feigenbaum, who ran the firm until his death. His son John took over and ran the company until 2015. In August 2015, John Feigenbaum became the Publisher of CDN Publishing and John Brush teamed up with collector Dell Loy Hansen to carry on DLRC.