Rare Dutch Polychrome Royal Delft Inkwell / Ink Stand - 1930

The tin glazed earthenware ink stand and inkwell with domed cover painted in multi colours with stylized flowers. With the original ceramic ink holder.
Signed on the bottom in underglaze blue for:
DE PORCELEYNE FLES  -  ROYAL DELFT  
DELFT  -   HOLLAND   &  AZ  = 1930
Painter’s initials: VL = Theodorus Antonius Bernardus van Lingen.
Employment dates: 28 March 1893 -1945
Literature.
Nowhere described. Only some items in were commercial made in blue. 

Height: 6 cm. (2,4 inches.)
Length:  22,8 cm. (9 inches.)                                                                      
Depth:   16,5 cm. (6,5 inches.) 
Diam. Cover: 6,5 cm. (2,6 inches.)