Five years ago, Buckingham Palace marked its summer opening with an exhibition celebrating the then Prince Charles’s 70th birthday with a display of his favorite pieces from the royal collection, Britain’s official trove of items connected to the monarchy. “The prince had a very, very strong hand in the selection,” said the senior curator.
Among the sculptures, paintings and other exhibits was a long gold girdle inlaid with 19 large emeralds once used by an Indian maharajah to decorate his horses. It was a curious choice to put into the exhibition in the light of the violent means by



