Original painting for the cover of the British Land of the Giants novel "Slingshot for a David" which was published in 1969 by World Distributors of Manchester, England. Size of the art board is approximately 17.5 inches by 10.5 inches, and the painting itself is approximately 14.5 inches by 9.5 inches.

This rare one-off piece of art was auctioned on Ebay on Tuesday 4th June 2013 and sold for £440.

Courtesy of mustangtel