Mona Lisa had closed. Peruggia was an Italian patriot who believed Leonardo's painting should have been returned for display in an Italian museum. Peruggia may have been motivated by an associate whose copies of the original would significantly rise in value after the painting's theft. A later account suggested Eduardo de Valfierno had been the mastermind of the theft and had commissioned forger Yves Chaudron to create six copies of the painting to sell in the U.S. while the location of the original was unclear. However, the original painting remained in Europe. After having kept the "Mona Lisa" in his apartment for
Vincenzo Peruggia making a vow for you to live long and enjoy the prize that your son is about to realize for you and for all our family." Put on trial, the court agreed, to some extent, that Peruggia committed his crime for patriotic reasons and gave him a lenient sentence. He was sent to jail for one year and 15 days, but was hailed as a great patriot in Italy and served only seven months in jail. Another theory emerged later. The theft may have been encouraged or masterminded by Eduardo de Valfierno, a con-man who had commissioned the French art