Properties of Silver 950 Difference from Silver 925 925 (Sterling Silver): 92.5% silver + 7.5% other metals (such as copper). It has higher hardness than 950 and is suitable for mass-produced casting methods. 950: 95% silver + 5% other metals (such as copper). It has a higher purity than 925, possesses a shine and properties closer to pure silver, and is favored for works that require artistic expression. Product Description This item was purchased at the RATS Ebisu main store. It's a RATS "Way of Life" ring, which is hard to find. I loved it and wore it every day. Please understand that there are fine scratches due to the nature of the material. The dullness should be easily removed with polishing. Size: 7 Please refrain from purchasing if you are a nervous buyer, as it is not new. Silver 950 Signet Ring The surface is engraved with "WAY OF LIFE," which continues to be the brand's philosophy, and the inside is engraved with the "RATS" logo.