decorative 19th century original arch top american antique ornamental cast iron interior residential parlor room fireplace summer cover designed and fabricated by the w & n jackson & sons co., new york city, ny. the arch top perforated iron insert contains a mostly black enameled finish over iron. the intricately designed filigree is evident throughout. the summer cover is free from cracks or breaks. salvaged from a civil war-era rowhouse constructed in new york city. w. n. jackson & co., began in 1827 as gratemakers, at 238 front st. in new york city, ny. after further expansion with additional locations, the company changed its name to w. & n. jackson & sons in 1852-3. measures approximately 19 1/2 x 1 1/2 x 27 1/2 inches.