@book{UBHD-1064518, author={Bradbury, Frederick}, title={British and Irish silver assay office marks 1544 - 1963}, subtitle={with notes on gold markings, and marks on foreign imported silver and gold plate}, edition={11. ed.}, publisher={Northend}, address={Sheffield}, year={1964}, pages={92 S.}, language={eng}, library={UB [Signatur: 65 A 262]}, }