In this book Lange provides an ultimate history of the U.S. Mint's proof sets from 1936-1942, 1950-1964, 1965-1967, 1968-1998 and the 50 state quarters sets starting in 1999. Fully illustrated with color and black and white photos, an analysis of each proof set, retail values, U.S. Mint packaging, and coin populations.This is a new book from our inventory.