silver marking

I bought a set of 6 silver teaspoons with the markings Rodd 2Ag on its underside. Can someone tell me if this is silver or silverplate?

Victoria, Melbourne.
Founded in 1919 (George and Ernest Rodd) manufacturing mostly jewelry. From c. 1920 they used the trade mark APEX. Rodd began production of flatware in the 1930s. In May of 1949, Rodd (Australia) merged with Platers Pty Ltd (manufacturers of Hecworth plate) and in 1960 merged with Mytton Ltd, forming Mytton Rodd (Australia) Ltd. Production ceased in 1991.