925 is the assay number for sterling silver, if the item weighs more then 8g then it would have to have a full British hallmark to signify this, if it weighs less then it may only have a stamp or no marks at all.
Thinking of buying some pre-owned silver jewellery? We stock a wide variety of beautiful British silver rings, all made in sterling silver. They would all be hallmarked or acid tested to prove the silver quality.
Looking to buy some silver online? Search no further because we sell and buy a large selection of popular silver items for you in our store.