Set 6 plates Delfts for Royal Sphinx Holland by Boch Belgium

Set of 6 new vintage plates (1950/60), in white delft earthenware with a marine scene in cobalt blue, illustrating sailboats in the foreground. on the back stamp made for royal sphinx holland by boch belgium. Delfts. On the ornate box, marking sa boch freres belgium. 6 bread plates, minuet boats.  Dimensions (cm): diameter 16.5 X h1. Total net weight 1.1kg.