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Hallmarking Information for silver, gold and platinum items
1 gram for gold, 0.5 grams for platinum and 7.78 grams for silver.
The manufacturers dont tend to unless they have to as it costs extra money and takes extra time.
The item still has to be as described.
If an item is described as Silver it has to be at least 800 parts of pure silver per 1000 parts
If an item is described as Sterling Silver it has to be at least 925 parts of pure silver per 1000 parts
If an item is described as Britannia Silver it has to be at least 958 parts of pure silver per 1000 parts
There is also an extra mark 999 which is for 999 parts of pure silver per 1000 parts
Hallmarking - Learn More About the Law - http://www.theassayoffice.co.uk/images/pdfs/Hallmark guidance Notes FINAL.pdf
More information can be found in our FAQ
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