I have a necklace silver color that has the marking of 835 on it. What is this?
Thanks

The International Silver Company was formed in 1898. Sterling Silver is an alloy of silver containing 92.5% by weight of silver (925) and 7.5% by weight of other metals, usually copper.
Technically, Sterling Silver is 925/1000 silver. 835 is 835/1000 silver, so it is still a silver alloy, most likely I think you will find it's a Vintage German piece.