Judd M.D., J. Hewitt, United States Pattern, Experimental and Trial Pieces, Racine, Wisconsin, USA, 1974 Western Publishing Co., 260 pages, hardcover. This book has been the standard reference to perhaps the most exotic and esoteric area on all of Numismatics: patterns, experimental and trial strike pieces. For some time, this was the only reference and is an essential one at that to anyone attempting to build a library or reference area of quality coin books, particularly in this area of study.

Estimate: USD 20-40