Dubbed the "holy grail of shipwrecks," the ship is believed to hold 11 million gold and silver coins, emeralds and other precious cargo.

Police stressed that the stolen objects had "archeological value," but said the monetary value had yet to be determined.

The fight over 'Moctezuma's headdress' rages on. The feathered headdress widely attributed to the legendary Aztec emperor is on show in Vienna's renowned Weltmuseum. Officials there insist the brittle ...