Diamond brooch Napoleon lost during his escape from the Battle of Waterloo to be auctioned for the first time EL PAÍS EnglishSotheby’s says a diamond brooch lost by Napoleon as his forces fled Waterloo sells for $4.4 million AP NewsDiamond brooch Napoleon lost while fleeing Waterloo sells for $4.4 million at auction, Sotheby’s says CBS NewsA Diamond Brooch Owned By Napoleon Sells for $4.4 Million at Auction Town & Country MagazineNapoleon’s 13-Carat Diamond Brooch That He Left Behind at Waterloo Is Heading to Auction Yahoo