JUNE 20-93.”. 1.904″ high including clevis x 1.601″ wide x .140″ deep. Steel body. Steel shackle. To open the lock: 1) Insert a penny in the opening at the top of the body. 2) Turn key and the shackle pops up. Commemorates the 400th Anniversary of Columbus Discovering America. “The World’s Columbian Exposition” was the title of the 1893 Chicago Illinois World’s Fair.