A large English wine bottle/decanter coaster, 6.25" overall diameter, 5.75" interior diameter, silver plated on copper, bearing Elkington & Co, Birmingham trademark, 1866 year mark, straight sides with hand-tooled floral swags and stars topped by a beaded trim, stepped bottom edge with a smaller beaded trim,  turned rosewood base with center silver button, hand-etched monogram,, a substantial mid-19th century wine coaster from the finest maker, stock #304310