General Buller Boer War celluloid tin button badge

A scarce original Boer War celluloid tin button badge with clear black and white photograph portrait image of 'General Buller' 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.' Very good clean condition, complete with original pin fitting.Diameter approx 21mm.