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 1992, old Sheffield plate makers' marks 1743-1860 /
Bradbury, Frederick,1864-1949.
Sheffield : J.W. Northend,
1975
Previous ed.: 1927.
Hallmarks.
Goldwork
Silverwork