The purchase of this Picasso painting, Dora Maar with a black cat, surprised Sotheby's auctioneers in more ways than one. The buyer was a "mysterious" man who went unnoticed until his spending warranted attention. His manner was more anxious than the typical Sotheby's auction-goer, indicating inexperience. But the result of his peculiar actions is remarkable - he bought the painting, which has not been seen in 40 years, for $95 million. It was not his only purchase. Read about it here.