Looking glass 1750-75 Made in England, the Rococo carved-and-gilded overmantel looking glass of the Marmion Room was probably installed when the room was painted in the 1770s. The frame features pierced scrollwork, C-scrolls of acanthus leaves, and a central Chinese pavilion considered exotic” by eighteenth-century standards. The looking glass was likely custom ordered to fit the space above the fireplace, where it was screwed into the wall and considered a permanent architectural fixture.. Looking glass. 1750-75. Pine, gilded plaster. Made in England