Open ring 4x0.8mm - Silver 925 - N°9334

Information on the Swiss Precious Metals Act

Any person assembling and selling a piece of work is responsible for its composition and its compliance with current precious metals legislation and must affix to the finished work a master hallmark registered with the bureau central des métaux précieux and an indication of title (unless these two marks are already present on part of the work).

Useful links to the Federal Customs Administration

• Precious metals control
• Control and official hallmarking
• Master stamp