General Kitchener Boer War Union Jack Flag fundraising tin button badge

A rare original Boer War small coloured patriotic celluloid tin button fundraising badge with unusual photographic image of General Kitchener in Army uniform, with red, white and blue Union Flag surround, the reverse with paper card insert 'MADE BY Baldwin & Gleason LIMITED New York U.S.A'. Very good condition, complete white Calico covered metal ring, for unknown purpose, minimal foxing, an excellent example.Diameter approx 22mm.