The square cloisonné tile decorated in colours with a windmill decoration (Bovenkruier) in a Dutch landscape. Marked on the back with the impressed factory mark for :
THE PORCELEYNE FLES - ROYAL DELFT
DELFT - HOLLAND - Circa 1940.
Simular item from the windmil series is shown in Rick Erickson - Royal Delft Page 223 - Fig. 15 -75
11.5 x 11.5 cm. ( 4.5 x 4.5 inches.)