Cathy Lerebours, an antiques dealer for more than a decade and a bona fide glamour-puss, has just opened an antiques shop on New York’s swanky 60th Street – a vertiable antiques alley between 2nd and 3rd Avenues with dealers cross populated with old time notions and sundry stores and the famous Serendipity Restaurant and Dylan’s Candy (after all, one does need nourishment after canvassing the dense mass of design shops).