A GEORGE III WHITE AND SIENA MARBLE CHIMNEYPIECE, the rectangular shelf with a moulded edge, above a fluted frieze with a central tablet carved with paterae, foliage and foliate swags, the endblocks carved with paterae and ribbon-tied wreaths, the panelled jambs each carved with ribbons, foliage and corn husks, on a block foot, the opening with siena marble surround (chips), late 18th century