Colonel Charles Best wrote the account ahead of Napoleon . Told how Duke of Wellington was almost killed by a cannon ball . Also describes seeing Battle of Waterloo on horseback rousing his men for battle . Letter expected to fetch £4,000 when it goes under the hammer in London .
Colonel Charles Best wrote the account ahead of Battle of Waterloo . Told how Duke of Wellington was almost killed by a cannon ball . Also describes seeing Napoleon on horseback rousing his men for battle . Letter expected to fetch £4,000 when it goes under the hammer in London .