What Is a Hallmark?
A hallmark is a legally applied set of marks stamped onto silver (and other precious metals) to verify its metal content and origin. In the UK, hallmarking is overseen by the Assay Offices of London, Birmingham, Edinburgh and Sheffield. Every piece of silver weighing over 7.78 grams must be hallmarked to confirm its purity.
A full hallmark typically consists of:
- The maker’s mark: identifying the silversmith or manufacturer
- The standard mark: indicating the metal’s fineness (e.g., sterling silver at 925 parts per thousand)
- The assay office mark: showing where the piece was tested and marked
- The date letter: denoting the year of hallmarking
Contemporary pieces may also carry commemorative marks or optional design features added by the maker.
Why Contemporary Hallmarks Matter
While historic silver attracts attention for its age and provenance, contemporary silver is increasingly sought after by collectors who value craftsmanship, innovation, and artistic design. For these modern works, the hallmark provides reassurance of authenticity and quality, particularly where aesthetic forms might challenge traditional notions of function or decoration.
Contemporary makers registered with an assay office often design personalised maker’s marks, and these can become identifying features in their own right, essential for cataloguing and resale at auction.