A closeup from the portrait that a Swiss foundation says is an early "Mona Lisa" by Leonard Da Vinci. Denis Balibouse/Landov hide caption

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The Two-Way

Is This An Early 'Mona Lisa'?

A Swiss foundation claims to have evidence of an earlier version. Skeptics say they need more proof.

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Alfredo Ramos Martinez painted Head of a Nun, tempera on newspaper, in 1934. Gerard Vuilleumier/The Alfredo Ramos Martinez Research Project, Reproduced by Permission hide caption

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Alfred Hair, Harold Newton, Al Black, James Gibson and Mary Ann Carroll were all part of the original Highwaymen. Photos by Gary Monroe hide caption

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Industrial designer Raymond Loewy purchased Pablo Picasso's Seated Woman with Red Hat (or Femme assise au chapeau rouge) in 1957 and gifted it to the Evansville Museum in the '60s. AP/Courtesy Evansville Museum of Arts, History & Science, Michael Wheatley hide caption

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Knitting Is for Pus**** is a work by crochet sculptor Olek. He has created an entire apartment blanketed in brightly colored, crocheted camouflage. Olek/Courtesy Jonathan LeVine Gallery, New York, N.Y. hide caption

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Twain's boyhood home in Hannibal, pictured circa 1955, is now a museum. Three Lions/Getty Images hide caption

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After John F. Herring by Ken Perenyi, circa 1989. Courtesy of Pegasus Books hide caption

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Edward Hopper's wife, Josephine N. Hopper, served as his model for 1952's Morning Sun. Columbus Museum of Art/Howald Fund hide caption

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De Waal's 2012 work all and more is on display in the Dining Room. It is made up of 23 porcelain dishes: 22 in white and cream glazes and one gilded dish, contained in a clear glass vitrine. Paul Barker/The National Trust, Waddesdon Manor hide caption

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Andy Cao and Xavier Perrot's Red Bowl installation in Beauvais, France, recalls the way lepers once bathed in animal blood in an effort to cure themselves and avoid being ostracized to the one-time leprosarium where the installation is located. Courtesy of Cao | Perrot Studio hide caption

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