AsTheCrowFlies

Hello, yes thank you I already know that, as I have owned Silpla pieces in the past but only the plated items. I have other Dutch pottery/ceramic pieces and am aware that the number is in an internal company reference to the model/design number. That is generally the same with other pottery/ceramic pieces stamped with a number on the bottom, regardless of place of manufacture. Some design numbers refer to the height/width of a piece.  This is the first assayed silver piece I have had with Silpla as a reference on the back of a pottery item, so am assuming that the entire piece was made in 1945.  The mark on the pottery is for Schoonhoven Keramiek.