The art world is in a frenzy of speculation today after the strange discovery of three almost invisible drawings on the back of a masterpiece by Leonardo da Vinci in the Louvre museum
![http://i43.tinypic.com/2lbf3vk.jpg](http://i43.tinypic.com/2lbf3vk.jpg)
(Source: AFP)
The French art world is in a frenzy of speculation today after the strange discovery of three almost invisible drawings on the back of a masterpiece by Leonardo da Vinci in the Louvre museum.
![http://i44.tinypic.com/2vvrq1j.jpg](http://i44.tinypic.com/2vvrq1j.jpg)
(via Times-online)
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