Old silver and old Sheffield plate ; a history of the silversmith's art in Great Britain and Ireland, with reproductions in facsimile of about thirteen thousand marks. Tables of date letters and other marks. American silversmiths and their marks. Paris marks and Paris date letters with a description of the methods of marking employed by the Paris guild of silversmiths. Hallmarks, and date letters when used, of nearly all the countries of continental Europe, reproduced in facsimile. A history of old Sheffield plate and a description of the method of its production, with the names and marks, in facsimile, of every known maker. With twelve full-page illustrations / By Howard Pitcher Okie.