Bradbury's book of hallmarks : a guide to marks of origin on British and Irish silver, gold and platinum and on foreign imported silver and gold plate, 1544 to 1975 ; Old Sheffield plate makers' marks, 1743-1860 /
Bradbury, Frederick,1864-1949.
Sheffield, England : J.W. Northend Ltd. ; [Cincinnati, Ohio : Distributed in the USA by Seven Hills Books],
c1987.
Hallmarks.