EPNS represents ElectroPlated Nickel Silver meaning silver plated over a base metal alloy made mostly of nickel. The term A1 is mostly a marketing ploy meant to indicate that a piece was of superior plating.

What does A1 mean on silver?

A1 and AA: These discreet markings indicate the number of ounces of pure silver used in the plating. There's two ounces per gross of teaspoons for A1, and three ounces for AA.

Is Epns the same as silver plate?

If you find the letters E.P, E.P.N.S or E.P.B.M, your item is silverplate. E.P.N.S. stands for elctro-plated nickel and silver.