Very Rare Dutch Blue & White Royal Delft Plate with the Baker Blowing on his Horn - 1975

The tin glazed earthenware “Professional” plate decorated in shades of blue with 
the baker blowing his horn to announce the fresh bread is ready to purchase in the old days and a rim with grain corn ears (korenaars). The idea copied after A. van Ostade Anno 1648. Not mentioned in Rick Erickson Royal Delft or any othter literature.
Signed on the back in underglaze blue for:
DE PORCELEYNE FLES  -  ROYAL DELFT
DELFT - HOLLAND  & CU  = 1975 & S  107
Painter’s initials: JH =   J.H. ten Hacken.
Employment dates: 1940 - 1984.

Diam.:  22,8 cm. (9,8 inches.)                    
Weight: 416 Grams