Oil on Board.
 
Approx. Dimensions:
Frame overall: W = 12 inches x H = 9 inches
Visible picture: W = 9.5 inches x H = 6.5 inches
 
Keith W  Hastings (1948- ) became a full time artist in 1971, with his own studio/gallery in his seaside home town of Gorleston, Norfolk.  His paintings of East Anglia appear all over the world and are hugely popular, especially his miniatures.