A rare Imperial Qianlong porcelain vase (18th century) is displayed at Sotheby's auction company in Paris, on May 22, 2018. The vase, which was stored in a shoebox in an attic for decades, will be sold at Sotheby's Paris on June. (Photo/Agencies)
A rare Imperial Qianlong (18th century) porcelain vase is displayed at Sotheby's auction company in Paris, on May 22, 2018. The vase, which was stored in a shoebox in an attic for decades, will be sold at Sotheby's Paris on June. (Photo/Agencies)
A rare Imperial Qianlong porcelain vase (18th century) is displayed at Sotheby's auction company in Paris, on May 22, 2018. The vase, which was stored in a shoebox in an attic for decades, will be sold at Sotheby's Paris on June. (Photo/Agencies)
A rare Imperial Qianlong porcelain vase (18th century) is displayed at Sotheby's auction company in Paris, on May 22, 2018. The vase, which was stored in a shoebox in an attic for decades, will be sold at Sotheby's Paris on June. (Photo/Agencies)
A rare Imperial Qianlong porcelain vase (18th century) is displayed at Sotheby's auction company in Paris, on May 22, 2018. The vase, which was stored in a shoebox in an attic for decades, will be sold at Sotheby's Paris on June. (Photo/Agencies)