Gustav Klimt's Portrait of Fräulein Lieser, missing since the 1920s, is making a comeback in an April auction, with an expected price tag of up to $54.4 million, as reported by The Washington Post. This rediscovered masterpiece, last seen in the mid-1920s, has been described by im Kinsky, the auction house handling the sale, as a "sensation." The 31-by-55-inch portrait, depicting an unknown Lieser...