Home About Us Services Library & Silver Collection Testimonials Resources Latest News & Press Contact Us Hallmarking Services Hallmarking The Oldest Form of Consumer Protection - A Brief History In an age where consumer protection and rights are a key concern for most present-day manufacturers it is fascinating to note that the hallmark is, in fact, one of the oldest forms of consumer protection that exists. The history of the hallmark dates back as far as 1300... More Information » UK Hallmarks The sponsor's mark, fineness mark and the assay office mark are compulsory marks. The crown on gold, the lion passant for 925 silver, the Britannia mark for 958 silver and the orb for 950 platinum and the date letter in all cases are voluntary additional marks.... More Information » Hallmarking - Getting Started To sell precious metals legally in the UK, any articles over the exemption weight must bear a hallmark. This can be done by submitting them to an Assay Office, the process is outlined below. More Information » Lasermarking Laser marking at Sheffield Assay Office is an area of ongoing development which has opened up some interesting and innovative applications for this process.Laser marking is widely used for marking traditional, standard hallmarks onto precious metal but it also an ideal process for clearly and accurately marking a range of logos, signatures and seri... More Information » Mixed Metal Marking Changes to the Hallmarking legislation which came into force on April 6th 2007 have created new opportunities for the Jewellery industry and offer consumers more accurate descriptions of the items they are purchasing. Historically, the Hallmarking Act has prevented the Assay Offices from hallmarking items made of a mixture of precious and base met... More Information » Control Marks The sponsor's mark, fineness mark and the assay office mark are compulsory marks. The crown on gold, the lion passant for 925 silver, and the orb for 950 platinum and the date letter in all cases are voluntary additional marks.... More Information » Convention Marks The Convention on the Marking of Articles of Precious Metal is an international treaty between states which is designed to ensure safeguards for the cross border trade in precious metal. Signed in Vienna in November 1972, it entered into force in1975 and is designed to provide a recognised alternative to the traditional UK Hallmarks. The United Ki... More Information » Daily Collection Sheffield Assay Office offers a daily collection service for hallmarking from Birmingham, London, Leicester and Manchester. Designed to make life easier for you, our service combines fair rates with fast turnaround. Our couriers visit all the above cities daily. Why not give us a try us and benefit from the difference? If you are a new customer ... More Information » Private Assays Bought a piece of jewellery, and unsure what it's made of? Found an old piece of silver amongst the family heirlooms, but don't know what it is? Or even if it's silver, or electroplate? We can tell you. Contact us and benefit from our knowledge and experience. Our registers of maker's marks (now called sponsor's marks) go back to 1773. If you have... More Information » Hallmarking Act 1973 DEALERS TO EXHIBIT NOTICES AS TO HALLMARKS 1. Legal Requirement Section 11 of the Hallmarking Act 1973 requires:Dealers to exhibit notices as to hallmarks. (1) Any dealer shall keep exhibited at all times, in a conspicuous position in a part of his premises to which those with whom he deals are commonly admitted, a notice in terms approved and i... More Information » Hallmarking Charges The following charges are payable for gold, silver, platinum and palladium articles brought or sent to the Sheffield Assay Office for assay and hallmarking. Platinum / Gold / Palladium Bracelets, Chains & Necklets Under 5gOver 5gOver 20g 65p75p1.05p Earrings Each 46p Rings Each 58p Other Articles Under 20g 60p ... More Information » Authorisation for Change of Use Upcycling isn’t just the practice of transforming old materials into useable objects, it is the process of breathing a new lease of life into well used and loved items to give them a new story and personality. All this while at the same time creating something that is useful, functional and beautiful. For jewellery, this can mean remodelling an ol... More Information » Hallmarking Services Hallmarking UK Hallmarks Hallmarking - Getting Started Lasermarking Mixed Metal Marking Control Marks Convention Marks Platinum Jubilee Commemorative Mark Dealer's Notices MyScrapJewellery.com Daily Collection Private Assays Hallmarking Act 1973 Hallmarking Charges Early Hall Service Authorisation for Change of Use Contact Us Full Name* Email* Phone Number Enquiry* Enquiry is regarding General Enquiry Hallmarking Services Analytical Services Submit Home Privacy Policy Cookies Latest Covid Statement » Sheffield Assay Office, Guardians' Hall, Beulah Road, Hillsborough, Sheffield, S6 2AN • Tel: +44 (0)114 231 2121 © 2021 Sheffield Assay Office