This vintage flatware item is from a National Silver Co. Doric serving set, as indicated by the hallmarks "NSC" and "E.P.N.S.". Brand: National Silver Company. Markings: "NSC" refers to the manufacturer, and "E.P.N.S." stands for Electroplated Nickel Silver, indicating it is silver-plated rather than solid sterling silver. Pattern: The pattern is likely "Doric".
