To date your silver from its hallmark first identify the assay office (e.g. anchor for Birmingham, leopard's head for London, etc.). Then click on the appropriate link below to go to the tables of date letters. If you are unable to identify the assay office from one of the town marks below you may have a piece of imported silver. Town marks for imported silver have differed from the normal marks since 1904. Illustrations of the various import marks are shown on the Import Marks page.