Eduardo de Valfierno Eduardo de Valfierno Eduardo de Valfierno (1850–1931), who posed as a "marqués" (marquis), was an Argentine con man who allegedly masterminded the theft of the "Mona Lisa" in 1911. In 1932 journalist Karl Decker published a story in the "Saturday Evening Post" claiming Valfierno paid several men to steal the work of art from the Louvre, including museum employee Vincenzo Peruggia. On August 21, 1911 Peruggia hid the "Mona Lisa" under his coat and simply walked out the door. Before the heist took place, Valfierno allegedly commissioned French art restorer and forger Yves Chaudron to make six copies of the
Vincenzo Peruggia approx. , so it would not fit under a smock worn by someone his size. Instead, he said he took off his smock and wrapped it around the painting, tucked it under his arm, and left the Louvre through the same door he had entered. Peruggia hid the painting in his apartment in Paris. Supposedly, when police arrived to search his apartment and question him, they accepted his alibi that he had been working at a different location on the day of the theft. After keeping the painting hidden in a trunk in his apartment for two years, Peruggia returned