San Francisco Mint. Includes 2003 First Flight Centennial 90% Silver Dollar Proof, preserved in a hard plastic shell and displayed in an official U.S. Mint velvet lined and hinged display case, housed in an official U.S. Mint box with outer sleeve, and including certificate of authenticity. The coin was issued to celebrate the 100 year anniversary of the first air flight by the Wright Brothers in Kitty Hawk, North Carolina.