Walter Breen Pricing Work Sheet and Comments for the 1975 Whitman Red Book
Kenneth Bressett Archives (1975)
Book Summary
Example of one of Kenneth Bressett's original photographic plates with Nova Constellatio copper coins. In the 1950s and 1960s students used to make these for communicating with other specialists who were researching various series. Bressett's Vermont plates eventually became the standard reference.