Wyler, Seymour B. The Book of Old Silver. English - American - Foreign. With All Available Hallmarks Including Sheffield Plate Numbers. New York. Crown Publishers. Reprint. Octavo. Hardcover. 401 pps. Illustrated. Invaluable reference work. Marks. Important reference work. Very scarce in this condition. Fine copy in fine (very light edge wear) dust jacket (in mylar).