
A Jackson Pollock painting found in an Arizona garage could sell is expected to sell for up to $15 million at auction.

"Two Hacks" (1789) by George Stubbs was sold at a Christie's "Living with Art" sale in New York in June 2016 -- originally listed as a copy. Art dealer Archie Parker -- believing it to be a real Stubbs -- purchased the painting for $175,000 ($215,000 with premium). The painting is currently hanging on his stand at the annual British Antique Dealers' Association (BADA) Fair in London, with an asking price of $900,000.

Rembrandt's drawing of a dog has been in the collection of the Herzog Anton Ulrich Museum in Braunschweig, Germany, since 1770, but was long thought to be the work of a different artist.

In 2016, a drawing attributed to Italian master Leonardo da Vinci was discovered in Paris, after a portfolio of works was brought to Tajan auction house for valuation by a retired doctor. It was valued at 15 million euros ($16 million).

The drawing also features sketches of light and shadows and notes on the back.

While researching for an episode of BBC's "Britain's Lost Masterpieces" series at the National Trust for Scotland's Haddo House collection in Aberdeenshire , art historian Bendor Grosvenor and a team of experts found a painting that could have been painted by artist Raphael.

In April 2016, a painting believed to be by Caravaggio was found in an attic in France. Experts said it could be worth $136 million.

The work was originally purchased for $25 dollars at the end of the 19th century. It could now be worth $26 million.

In 1911, Leonardo Da Vinci's "Mona Lisa" was stolen from the Louvre by an Italian who had been a handyman for the museum. The famous painting was recovered two years later.

A statue called "Young Girl with Serpent" by Auguste Rodin was stolen from a home in Beverly Hills, California, in 1991. It was returned after someone offered it on consignment to Christie's auction house. Rodin, a French sculptor considered by some aficionados to have been the father of modern sculpture, lived from 1840 until 1917. His most famous work, "The Thinker," shows a seated man with his chin on his hand.

Picasso's "La Coiffeuse" ("The Hairdresser") was discovered missing in 2001 and was recovered when it was shipped from Belgium to the United States in December 2014. The shipper said it was a $37 piece of art being sent to the United States as a Christmas present. The feds say it was actually a stolen Picasso, missing for more than a decade and worth millions of dollars.

Italy's Culture Ministry unveils two paintings by the French artists Paul Gauguin and Pierre Bonnard on April 2, 2014. The paintings, worth millions of euros, were stolen from a family house in London in 1970, abandoned on a train and then later sold at a lost-property auction, where a factory worker paid 45,000 Italian lire for them -- rough