When it comes to finding hidden treasure, here's proof that the attic is a great place to start.An 18th century Chinese vase that was discovered by chance in a shoebox in the attic of a French family home has sold for 16.2 million euros, which translates to $19 million in USD. The porcelain piece sold for more than 20 times its estimate of 500,000 to 700,000 euros after a 20-minute bidding battle at Sotheby's in Paris on Tuesday. The auction house has confirmed it's the highest price ever reached for an item sold by Sotheby's in France.Left to the grandparents of the present owners by an uncle, the vase was found in perfect condition among several other Chinese and Japanese objects in the family's apartment."This person (the seller) took the train, then the metro and walked on foot through the doors of Sotheby바카라 게임 웹사이트�s and into my office with the vase in a shoebox protected by newspaper," Sotheby바카라 게임 웹사이트�s Asian arts expert Olivier Valmier told Reuters. "When she put the box on my desk and we opened it we were all stunned by the beauty of the piece."Another Sotheby's spokesperson said the seller "knew it had some value but nothing like that, nor that it was from the Qian dynasty," CNBC reports.Sotheby officials say the vase, known as the Yangcai Famille-Rose, is of "exceptional rarity."Made for the Qianlong emperor, who ruled China from 1736 to 1795, it depicts a "magnificent landscape" of deer, birds and pine trees in between a colorful decorative border. Famille-Rose porcelains from this period were never made in large quantities and are mostly housed in museums around the world. The only other vase of this shape and style is now kept in Musée Guimet's collection in Paris.Sotheby's has not disclosed the buyer's name or nationality.Check out another incredible auction in the related video above.