Most likely the item in question is silver plated or just silver colored. Items that do not display sterling markings are non-silver 99 times out of 100.
Visit the link below to learn more about various silver markings (including silver plated markings).
I think its cubic zirconia on silver
EPNS stands for Electro Plated Nickel Silver - another term for silver plate.
SP stands for silver plate. Lind is the brand.
If a piece of gold jewelry is marked Korea does that mean it is not real gold?
it is pure silver
Almost pure silver
When silver jewelry is stamped 80 SR it means that the jewelry is 80% silver.
if the number .925 is stamped on it also that means sterling silver if the number .999 is stamped on the ring that means it is pure silver if no numbers, i am not sure
i am looking for info about 6 A 925 stamped on a silver ring.
The I S stands for International Silver Company Meriden, Connecticut.
Nickel Silver
This means the item stamped is a reproduction item that was sold in the Metropolitan Museum of Art's gift shop.