What does jg stamp mean on jewelry?

sterling silver is marked 925 which is 92.5% silver; one may deduce that 525 would be 52.5% silver but NOT sterling.

It means that there are 985 parts per 1000 of precious metal in your piece of jewelry

Technically, this figure is 1/1000 of a percentage point below the necessary .925 to be considered Sterling Silver. This means that 92.4% of an object is silver (Ag), with 7.6% being another metal,...

It means that it is made out of sterling silver.

there is no such thing to my knowledge as a 915 stamp on a piece of jewelry,but yes a 925 stamp exists which refers to sterling. I am trying to find out the same thing. I can say that R 915 stamp...