Onslow Square Antiques 4131 Howard Ave, Kensington, MD20895 Since 1973, Sandra Ellington has been selling antiques. She specializes in fine European antique furniture and…More accessories as well as a diverse selection of stained glasses. She imports annually more than 6,000 pieces from Europe. She has been president of the Antique Dealers Association of Maryland and belongs to the West Howard Antique dealers group and the New England Appraisers Association. She performs informal appraisals for no charge.