Look for the Argentium Winged Unicorn Mark as as a guarantee of the finest quality silver.
CERTIFIED SILVER PURITY
The unique Winged Unicorn Mark can be stamped or lasered onto articles to certify that a piece is made in Argentium Silver. Companies can use this mark to endorse their own brand and to give assurance to their customers that items have a minimum silver content of 93.5% - exeeding the traditional Sterling standard.
Argentium users are also encouraged to display the 'Made in Argentium Silver' logo (below) on websites and marketing materials.
Watch by Eternal Silver London