I dont know. You should go to Wikianswers.com and they'll answer for you.
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
Sterling silver is an alloy of silver. It is a combination of silver and copper. Silver is alloyed to reduce porosity, eliminating fire scale, and increase the resistance to tarnish.
Mexican Sterling
It may mean that the ring is made of sterling silver.
MWS means 'messages won't send'.
The "IS" stamp on a silver spoon likely stands for International Silver Co, which was a prominent American silver manufacturer. The stamp helps to identify the manufacturer of the spoon and can also sometimes indicate the silver content of the piece.
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.
The anchor symbol on old sterling silver typically represents that the item was made in Birmingham, England. It is a hallmark that signifies the standard of purity for the silver content in the item.
Not Really
Means it is Sterling Silver