It may mean that the ring is made of sterling silver.
What does MNSN On sterling jewelry mean
Probably means that it is sterling silver.
The sterling silver standard has a minimum millesimal fineness of 925
It means that 99.8% of the mass is silver. Sterling has a minimum of 92.5%.
It is an abbreviation of the word "sterling," meaning that the piece of jewelery is made from sterling silver.
Nickel Free 925 silver. Namely, sterling silver which is free of nickel traces.
Not Really
Means it is Sterling Silver
yes
927 is sterling silver
925 is the metal content for sterling silver. This means it is 92.5% pure sterling silver which is the standard.