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.
it is 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
The number 873 stamped on the back of a silver plate typically indicates the silver purity or the specific design or pattern number used by the manufacturer. In some cases, it may represent the weight of the silver in grams or a production batch number. To understand its exact significance, it's essential to consider the context of the manufacturer and any accompanying markings.
The number "8530" stamped on a silver plate typically indicates a specific model or design number assigned by the manufacturer. It may also refer to the item's production year or batch. Additionally, in some cases, it could represent a code related to the silver's purity or origin. To determine its exact significance, it's best to consult the manufacturer's records or a silver expert.
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.
in a triangle "IRH"