RS Prussia was the seal used by Reinhold Schlegelmilch porcelain company, Germany, which exported fine decorated and undecorated porcelain to different countries since 1800’s “RS Prussia” was stamped on to the porcelain in red letters and steeple marks in green. RS Prussia porcelain includes tea and coffee pots, chocolate sets, plates, sugar bowls, cups and saucers, which were mostly decorated with classical and scenic paintings and portraits.