The phrase denotes a designation commonly found on silver-plated items, indicating a specific manufacturer and a grading of the plating’s quality. The “National Silver Company” is the manufacturer, while “A1” serves as a hallmark signifying a superior level of silver plating. As an illustration, a tea set stamped with this mark suggests that it was produced by the aforementioned company and possesses a high-quality silver coating.
This identification system offered assurances to consumers regarding the item’s origin and the thickness/durability of its silver layer. Historically, this practice allowed buyers to make informed decisions, contributing to trust in the market for silver-plated goods. The “A1” designation, in particular, suggested longevity and resistance to wear, potentially increasing the item’s value and desirability. The ability to identify the producer is important to ensure the integrity of the manufacturing process.
