Dating english silver plate
They were employed by large workshops of companies or were used as out-workers.The work they part or wholly produced was marked under somebody else's name.In Ireland, Dublin origin is deduced by the presence of the figure of the crowned harp and Hibernia. XX which introduced this standard reads as follows: "It is ordained, that no Goldsmith of England, nor none otherwhere within the King's Dominions, shall from henceforth....... The 925/1000 (sterling) silver fineness is certified in London and other British Assay Offices by the use of the "lion passant" mark.
In 1904 an Act of the Order of Council ordered that foreign silver had to be marked with the decimal value: .925 for Sterling Standard and .958 for Britannia Standard.These are the links to the date letters tables of main Assay Offices: London Birmingham Sheffield Chester Dublin Edinburgh Glasgow In early times the maker's mark was constituted by a symbol but from the 15th century the mark was formed by silversmith's name and surname initials.Only for a short period (1696-1719) the maker's mark was formed with the first two letters of silversmith's surname.From July 15 1797, for nine months, the King's Head was duplicated owing to the Duty being doubled.The "Duty Drawback" mark was used from December 1, 1784 to July 24, 1785 to claim back the duty when the item was exported.