What is PAS 925 stamped on jewelry?

PAS 925 stamped on jewelry indicates that the item is made of sterling silver. The term "PAS" stands for "Precious Alloy Standard," which is a set of standards developed by the British Standards Institution for precious metals. The number "925" signifies that the jewelry is composed of 92.5% pure silver, with the remaining 7.5% typically being another metal, often copper, to increase the durability of the piece.