Large Dutch Blue & White Royal Delft Hand Painted Rimmed Coaster with a Paltrok Windmill - 1968

The large tin glazed earthenware coaster decorated in shades of blue with a Paltrok Windmill (Wip mill) in a Dutch landscape.
Signed on the back in underglaze blue for:
DE PORCELEYNE FLES  -  ROYAL DELFT
DELFT - HOLLAND  & CM  = 1968
Painter’s initials: HKA =  H.W. Kaiser .
Employment dates: 1966 - 2015

Diam.:  15 cm. (5,9 inches.)                   
Weight: 195 grams.