Pattern Coins: rare, mysterious, and beautiful. These seldom-seen experimental pieces illustrate the trials, struggles, and backstate intrigue that preceeded so many of the U.S. Mint's regular-issue coins. Q. David Bowers offers a fascinating inside look at the history, rarity, and market values of America's rarest coins. JUD book. J. Hewitt Judd, M.D.. ISBN: 0794822533. Pub Date: 11/25/2008. Edition: 10th. Binding: Hardcover. Size: 6x9. Pages: 345. Case: 10 .