antique pair old sheffield silver plated wine coasters c1820 19th century

This is a very attractive English George IV pair of antique Old Sheffield silver on copper wine bottle coasters, circa 1820 in date.

The shaped circular wine coasters feature exquisite vine and grape borders with pierced decoration, with floral engraving and a cnetral crest.
Add an elegant touch to your next dining experience with these lovely coasters with historical provenance.
Condition:
In excellent condition. Asantique items, the coasters show signs of use commensurate with age, these minor condition issues are mentioned for accuracy and, as seen in the accompanying photographs, they display beautifully..Dimensions in cm:Height 4.5 x Width 22 x Depth 22Dimensions in inches:Height 2 inches x Width 9 inches x Depth 9 inches
Our reference: A1533
Old Sheffield Plate -or ‘fused plate' as it is sometimes known, was the first commercially viable method of plating metal. The material was accidentally invented byThomasBoulsover, ofSheffield'sCutlersCompany, in 1743. While trying to repair the handle of a customer's decorative knife, he heated it too much and the silver started tomelt. When he examined the damaged handle, he noticed that the silver and copper had fused together very strongly. Experiments showed that the two metals behaved as one when he tried to reshape them, even though he could clearly see two different layers.Boulsoverset up in business, funded byStrelleyPeggeofBeauchief, and carried out further experiments in which he put a thin sheet of silver on a thick ingot of copper and heated the two together to fuse them. When the composite block was hammered or rolled to make it thinner, the two metals were reduced in thickness at similar rates. Using this method,Boulsoverwas able to make sheets of metal which had a thin layer of silver on the top surface and a thick layer of copper underneath. When this new material was used to make buttons, they looked and behaved like silver buttons but were a fraction of the cost.The technique Boulsover developed was to sandwich an ingot of copper between two plates of silver, tightly bind it with wire, heat it in a furnace and then mill it out in to sheet, from which objects could be made.

Antiques.co.uk Ref: K85FFUW3G

Width (cm):

22

Height (cm):

4.5

Depth (cm):

22

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