Charles J. Opitz
Brother of Nancy Opitz Wilson. Married to Karen Attended University of Wisconsin. Owner of First Impressions Printing.
Authority on primitive money. Author of Odd and Curious Money: Descriptions and Values (1986).
Past president of the International Primitive Money Society. He received the Krause Publications Numismatic Ambassador Award.
His collection was sold by Heritage on December 5-6, 2019.Source credit: Pete Smith, American Numismatic Biographies