Dutch Blue & White Royal Delft Hand Painted Commemorative Liberation / War Plate 1945 - 1970

The tin glazed earthenware plate commemorating the 25h anniversary of Liberation year 1945 and decorated in shades of blue with a sword under flames sticked in a dragon as symbol for evil. Surrounded with the text:
5 MEI 1945 - 1970
The rim with leaves and wheat stalks and in the top two Pigeons of Peace with a branch in their beak.
Signed on the back in underglaze blue for:
DE PORCELEYNE FLES   -  ROYAL DELFT
DELFT - HOLLAND   &  CO = 1970
Painter’s initials: NDG =  Nico de Graaf.
Employment dates: 1963 - 2006
Literature:
This item is only mentioned in Rick Erickson - Royal Delft Page 131.

Diam.:  18 cm.  (7,1 inches.)                  
Weight: 364 grams.