A worker of the ministry holds up for photographers a silver coin from the shipwreck of a 1804 galleon, on its first display to the media at a ministry building, in Madrid, Friday, Nov. 30, 2012. Spanish cultural officials have allowed the first peep at 16 tons (14.5 metric tons) of the shipwreck, 'Nuestra Senora de las Mercedes' a treasure worth an estimated $500 million that a U.S. salvage company gave up after a five-year international ownership dispute. (AP Photo/Daniel Ochoa de Olza)
A worker of the ministry holds up for photographers a silver coin from the shipwreck of a 1804 galleon, on its first display to the media at a ministry building, in Madrid, Friday, Nov. 30, 2012. Spanish cultural officials have allowed the first peep at 16 tons (14.5 metric tons) of the shipwreck, 'Nuestra Senora de las Mercedes' a treasure worth an estimated $500 million that a U.S. salvage company gave up after a five-year international ownership dispute. (AP Photo/Daniel Ochoa de Olza)