Nelson Mandela and Graça Machel at Houghton House, Undated, Houghton; [1 photographic print] Add to clipboard ZA COM NMFPC-1.4-7 Series Undated Part of 1.4 Nelson Mandela > With Graça Machel Nelson Mandela and Graça Machel in front of the Houghton House, hand in hand. Unknown