highly ornate 19th century antique american victorian era arched top interior residential marble fireplace summer cover, fabricated around 1865-70 by william h. jackson & co., new york city, ny. the single cast piece summer cover is comprised of cast iron with largely uniform black enameled finish. the intricately designed pierced metal center features a web of highly stylized floriated scroll work. recently salvaged from a manhattan residence tear down. measures 28 x 31 inches.