What does SW 826 oz mean on jewelry?

SW 826 oz on jewelry typically indicates the metal's purity and weight. "SW" often stands for "Silver Weight," and "826" signifies that the piece is made of 82.6% silver, which is commonly associated with sterling silver (though sterling is usually 92.5% silver). The "oz" denotes that the weight is measured in ounces. Overall, this marking helps identify the quality and content of the metal used in the jewelry.