“Just before 3 p.m. Sunday, (an) average-looking couple walked into the Hilligoss Galleries on the Magnificent Mile. Employees believe they walked out less than five minutes later with a $60,000 Rembrandt etching. …The etching, a 370-year-old piece called ‘Adam and Eve,’ was hanging in a preview room just off the main receptionist’s desk on the first floor of the gallery….”