CHANGES HANDS: The sale of the Arnold & Co. building at 220 S. Main by Mr. and Mrs. Paul G. Greene to Mr. and Mrs. Cassimere Samborski has been annonced by the Newton Realty Co. The new owners have leased the building to Mrs. Sonia Ann Clark, who will operate 'Marchande Furs" at the location, dealing in both domestic and imported furs. The new business will offer complete fur services, including repairing, remodeling, designing, cleaning, storage and insurance. The formal opening has been set for April . The building, formerly owned by the Arnold family, was purchased by the Greenes March 31, 1962, ending 92 years of continuous operation by the Arnolds.