Prince Karim Aga Khan (R) prior the ceremony enthroned him as forty-ninth Imam of Nizari Ismailis, following the death of his grandfather, the Aga Khan III, on July 11, 1957.
AFP

Prince Karim Aga Khan (L) inspecting the guard of honour drawn up at the airport prior the ceremony enthroned him as forty-ninth Imam of Nizari Ismailis, following the death of his grandfather, the Aga Khan III, on July 11, 1957. AFP

Prince Karim Aga Khan (C) flanked by his mother, Joan Yarde-Buller (R) and Ismaili Leaders, during the ceremony that enthroned him as forty-ninth Imam of Nizari Ismailis, following the death of his grandfather, the Aga Khan III, on July 11, 1957

Prince Karim Aga Khan (C) on October 21, 1957, during the ceremony enthroned him as forty-ninth Imam of Nizari Ismailis, following the death of his grandfather, the Aga Khan III, on July 11, 1957. AFP

Prince Karim Aga Khan (C) surrounded by his parents, Joan Yarde-Buller (L) and Aly Khan (R), during the ceremony enthroned him as forty-ninth Imam of Nizari Ismailis, following the death of his grandfather, the Aga Khan III, on July 11, 1957. AFP

Prince Karim Aga Khan (L) receiving gifts from Ismaili leaders during the ceremony enthroned him as forty-ninth Imam, following the death of his grandfather, the Aga Khan III, on July 11, 1957. AFP