Research material related to Newman's articles "The Source of the Nova Constellatio Copper Coinage" (Numismatic Scrapbook Magazine, January 1960) and "New thoughts on the Nova Constellatio private copper coinage" (ANS Coinage of the Americas Conference, no. 11, 1996). Material ranges from the 1950s and 1990s and consists of correspondence, clips from published sources, and personal memoranda.
