Later on decorative art pottery at Rozenburg: original bright colours, asymmetrical, nature decoration, tile sceneries till 1889; Colenbrander-pottery. Production of eggshell porcelain between 1899-1914; super thin and light ceramics in Art Nouveau-style: waving, curling models and swished colourful decorations, high quality very famed, very expensive, high production costs. Continued the production of decorated tiles, tile-sceneries (J. Toorop) and pottery. Haagsche Pottery factory Rozenburg received the title 'Koninklijk/Royal' in 1900. Juliana-pottery since 1909.
T.A.C. Colenbrander, E. Bokhorst, D.H. Harkink, J.C. Heytze, W. Jansen, J.K. Leurs, F.J. Mansveld, L.A. Iseger, D. de Ruiter, J. Kok, W.P. Hartgring, D.P.J. de Ruiter, S. Schellink. Toorop, J. van der Vet etc.