A Chinese billionaire will never have to pay for a plane ticket again, after he accrued a staggering number of air miles using his American Express card to buy a $107m painting. Liu Yiqian Liu was the winning bidder for Amedeo Modigliani’s Reclining Nude at a Christie’s auction house earlier in NovemberA high-profile collector of Chinese antiquities and art, Liu has used his Amex in the past at auctions. In 2014 he reportedly put a $36m tea cup from the Ming Dynasty on his credit card. He and his wife said they also plan on using their card to pay for the Modigliani, according to news reports after the sale. Read more