Dating mappin webb princes plate

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Although the company began in Sheffield, they were truly an international business.Branches were opened in Liverpool, Edinburgh, Newcastle, Manchester, Leeds, Glasgow, Cardiff, Belfast, Hull, Bristol, Melbourne and Adelaide (Australia), Cape Town (South Africa).The craft of covering a base metal with a precious metal - known as close plating - has been practised for centuries.The process involved the application of a thin sheet of silver or another precious metal, to a pre-formed vessel, using heat and a hammer.The Assay Office of Sheffield has existed since the passing of The 1773 Act of Parliament which appointed 30 local men as 'Guardians of the Standard of Wrought Plate in the Town of Sheffield' to supervise the work of the Office, after the campaign led by Birmingham Silversmith Mark Boulton to create Assay offices outside of London and Chester.

The items they plate are guaranteed to be far longer lasting than other silver plating, and therefore wear more like sterling silver.It was wildly successful; because it could be used to produce a host of items - from a delicate button to grand candelabra - at a fraction of the cost of the solid silver equivalent.Sheffield became the forefront of this new plating method after the developments of Thomas Bolsover in 1743, a Sheffield cutler, who – whilst working to repair a knife – found that under the correct circumstances of heat and pressure, copper and silver become inseparable.British Silver has had fastidious rules in place for centuries regarding the stamping of sterling silver, including the Assay Office from which the silver quality was verified, the maker’s mark and the date of the piece, owing to the date letter, any piece of British sterling silver can be exactly dated.Old Sheffield Plate and Electroplated silver were not under the same laws or rules of practice, and the regulations that were passed regarding electroplate and Sheffield plated silver were concerned with assuring that people were not being misled by a set of hallmarks which was not standardised in the same way as their sterling silver counterparts.

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