BUENOS AIRES, Argentina — Argentine authorities recovered an 18th century painting stolen by Nazis from a Dutch Jewish art collector over a week after it appeared in a property ad only to suddenly vanish. The "Portrait of a Lady" by Italian baroque painter Giuseppe Ghislandi was missing for eight decades before being photographed hanging in the home of the daughter of a senior SS officer, who fled to Argentina after World War II. Prosecutors said Wednesday that the woman's lawyer returned the work after a major hunt for it that made headlines worldwide. Showing off the piece, art expert Ariel...