Look for the Hallmark, It's Your Guarantee
What a Hallmark Looks Like

In the UK it is illegal to supply or offer any item as Gold, Silver, Platinum or Palladium unless it is hallmarked. *

*exemption weights apply: 7.78gm - silver, 1gm gold and palladium, 0.5gm - platinum

Who?

The registered mark of the company or individual who placed the item on the market.

What?

The precious metal content in parts per thousand inside a specific shape for each metal.

Where?

Each of the four UK Assay Offices has a separate mark. Lion, Anchor, Rose and Castle.

International

International hallmarks must contain the scales of the Common Control Mark.