Field Marshal Lord Roberts V.C. Boer War celluloid tin button badge

A scarce original Boer War celluloid tin button badge with clear black and white photograph portrait image of 'Field Marshal Lord Roberts V.C.' in Army uniform, the reverse with original paper backing with maker's details 'The Whitehead & Hoag Co. Newark, N.J. Patented July 17, 1894. April 14, 1896. July 21.1896.'Good condition, complete with original pin fitting, minor blemish to left shoulder.Diameter approx 22mm.