Leonardo da Vinci that look like they might be by the Italian master himself, the Louvre said on Thursday. It was such an astonishing discovery that other Louvre staff present at the time could not believe it and initially said the marks on the wood must be stains. After the initial find, the museum conducted detailed tests on the back of the painting. It said the drawings recalled some of Leonardo's known works and suggested that the child and lamb could have been sketches for the painting on the other side of the piece of wood. Republication or redistribution of Reuters content is expressly prohibited without the prior written consent of Reuters. Reuters shall not be liable for any errors or delays in the content, or for any actions taken in reliance thereon.

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