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LONDON HALLMARKS
OF THE 18th CENTURY
The actual marks used in London from 1700 to 1799
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The hallmarking of British silver is based on a combination of marks that makes possible the
identification of the origin and the age of each piece.
The marks are:
Town mark, corresponding to the mark of the assay office that has verified the piece
Lion passant guardant or Britannia or lion's head erased certifiying the silver's quality.
The "Britannia standard" (alloy containing 95,84% of silver) was the obligatory standard for
items of "wrought plate" from 1697 until 1 June 1720. Thereafter Britannia silver has remained an
optional standard for silver assay in the United Kingdom.
Maker's mark, identifying the silversmith presenting the piece to the assay office
Date letter, in cycles of twenty letters of the alphabet of different shape identifies the year in which
the piece was verified by the assay office
A further mark was used in the period 1784 - 1890:
Sovereign head ('duty mark'), certifying the payment of duty
(click on the photo to enlarge image)
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