The Sterling Pat 1892 mark is found on silver pieces indicating both material and design registration. “Sterling” confirms the item is made of genuine sterling silver, while “Pat 1892” refers to the patent date of the design, meaning the pattern was officially registered in the year 1892. This type of mark is commonly seen on flatware from major American silversmiths during the late 19th century, although the exact maker may not be specified without additional markings. The presence of this patent date helps collectors and appraisers identify the era of production and match the piece to a known pattern. It is a key detail in dating, authenticating, and valuing antique silver.