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 Northend
1975
Previous ed.: published as 'British and Irish silver assay office marks, 1544-1973'. 1973
Goldwork
Hallmarks.
Silverwork