Those lucky enough to go behind the scenes at the London Assay Office this year will find the historic leopard’s head hallmark being applied in a new, state-of-the-art workshop facility.

As the nations prepare to celebrate the Platinum Jubilee of Her Majesty Queen Elizabeth II, we explore the unique Marks and special pieces created to commemorate important celebrations in the 20th and 21st Centuries.

Hallmarking has long been celebrated as the UK’s oldest continuous form of consumer protection, but how do you make such a venerable institution serve makers and buyers in the 21st century?