Lincoln museum exhibits iconic stovepipe hat amid unanswered questions of origin

The Abraham Lincoln Presidential Library and Museum is re-displaying a stovepipe hat synonymous with the country’s 16th president, amid renewed speculation about its authenticity.

The purported $6.5 million hat is being put on display to mark Lincoln’s 204th birthday.

Questions about the origin of the iconic hat were raised last spring by the Chicago Sun-Times.

The description next to the hat reads that only three of the stovepipe hats are known to exist "two silk ones from his last days of life, and this."...