Oneida Mary Stuart Silverware Flatware Set Tudor Plate Lot 12

Up for your consideration are 12 pieces of Oneida Mary Stuart silverware. This pattern came out in 1927. Tudor Plate - I have tried to figure out if this is silver plated but I can't seem to find the answer. Pre-owned. There is discoloration on the knives that you can see in the photos. Normal scuffing.