A typical set of antique British silver hallmarks showing left to right ; 1. Duty Mark and 5. Establish that it has one of the Silver Standard Marks , if not it is likely silverplate or from a different country. Locate and identify the City Mark. Note whether it has a sovereign's head Duty Mark - or not.
MARK OF ORIGIN - TOWN MARK
a widely illustrated guide to London silver assay marks, marks and hallmarks of British silver, including date letters chart, silver marking system and silver. London silver marks: marks and hallmarks of English silver, BRITISH TOWN MARKS AND DATE LETTERS. London town marks, Birmingham town marks. British & Irish hallmarks with date letters, indexed by Assay Office.