late 19th century antique american ornamental cast iron interior residential fireplace gas insert designed and patented by the dawson brothers, chicago, il. the fanciful surround features two flanking cherubs nestled in cornucopias. the protruding cast iron hood contains a unique fishscale design motif. the detachable pierced metal grates are original and intact. uniform metallic gold enameled finish. measures 24 1/2 x 30 1/4 x 7 inches. the c. 1890-95 american gas grate or insert was manufactured by the dawson bros. co., chicago, il.