Mona Lisa

In 1911 the Mona Lisa was stolen from the Louvre.

An excerpt from the article 38 facts about Mona Lisa
The suspect was the poet Guillaume Apollinaire, who had already been accused of complicity in the theft of the figures from the museum, which had been taken by his friend Pieret. Another defendant was Pablo Picasso, who was suspected of having bought back stolen works of art from Pieret. However, the charges against both were dropped