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Guiding you through the hallmarking process

Published: 1st February 2019

Guiding you through the hallmarking process

If you have any objects that require the identification of hallmarks please do not hesitate to contact 

Please send photographs of the object and close up images of the marks. 

“Thank you for the quick reply, and for confirming the identification of the hallmarks. It is good to know that my grandmother-in-law had such good taste!”

Lesley Witts 

The Sheffield Assay Office was established in 1773, under an Act of Parliament and today the company assays and hallmarks the precious metals - silver, gold, platinum and palladium. Sheffield Assay Office is one of only four UK assay offices who all work to uphold the Hallmarking Act of 1973 and continue to ensure consumer protection for customers purchasing precious metals.

To find out more about the whole range of services offered by Sheffield Assay Office, such as our hallmarking and analytical services, please email us at or complete the contact form on our website at,

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