What does the 923 mark that is stampted into a piece of silver manufactured by the Poole Coompany mean mean?

The 923 mark stamped into a piece of silver by the Poole Company indicates that the piece is made of 92.3% pure silver, which is equivalent to sterling silver quality. This level of purity is commonly used in silver craftsmanship, ensuring that the item meets specific standards for quality and durability. The Poole Company, known for producing fine silverware, utilized this mark to signify the authenticity and value of their products.