The crown sold for 1.77 million Swiss francs ($1.95 million). A 100.94-carat diamond, which Christie’s said was the largest stone ever to be cut in Russia, meanwhile sold for 12.84 million Swiss ...

A black felt bicorn hat belonging to Napoleon Bonaparte sold for 1.9 million euros, or $2.1 million, at an auction in Fontainebleau, France, on Sunday, fetching the highest price ever paid for one ...