Melbourne Perth Adelaide Sydney Canberra Brisbane After searching... "EPNS" stands for Electroplated Nickel Silver, and within that, "A1" indicates the highest grade silver plating, with a thickness of 30-35 microns. It seems to be recommended as an item for enjoying tea time or coffee time. Please understand and agree to the condition of the antique, vintage, or used item before purchasing. Simple packaging, Nekopos (a type of Japanese postal service)