"Art Nouveau Cache Pot"
Important Art Nouveau ceramic pot holder Rozenburg Netherlands factory Beautiful polychrome floral decoration, running through and following the shapes of the vase. Rozenburg has never made two identical pieces, which remains one of the strengths of this very imaginative production” The plus is the factory manager's sign of approval. You see the name Rozenburg and Den Haag (The Hague) and the stork logo. The K is circled and the diamond or window is the sign of approval. is used for the period between December 12, 1896 and December 10, 1897. 
Le Magazine de PROANTIC
TRÉSORS Magazine
Rivista Artiquariato