The gated, seven-bedroom Beverly Hills mansion owned by Sammy Davis Jr. for almost 20 years before his death last May sold for $2.715-million. The sale of the 10,900-square-foot home will help cover $5.3-million in debt left behind by the entertainer . . . Letter-turner Vanna White's husband of a year, George Santo Pietro, put his three-bedroom bachelor home in Beverly Hills on the market for $1.2-million. He and White now live in a larger pad nearby purchased for about $3-million late last year . . . Paige Rense, editor-in-chief of Architectural Digest and Bon Appetit magazines, has put her Montecito, Calif., home on the market at $1.7-million. Her Montecito property includes a five-bedroom, 5,000-square-foot home and a two-bedroom, 1,200-square-foot guest house, all built in the 1940s, on 1.2 acres. A circular drive leads from a swimming pool to the main house.