Interview: Ashley Carson, Sheffield’s Assay Master – hallmarking, history and technology

The hallmarks on gold, silver, platinum and palladium don’t only prove the validity of precious metals. They tell a story. And the story of hallmarks themselves and of how Sheffield’s Assay Office came to be after an act of Parliament is absolutely riveting. Ashley Carson, who has served as Sheffield’s Assay Master for 25 years and was the youngest-ever to be appointed, tells the story.