An important double signed antique original e f caldwell & Co silvered bronze sconce. Having double diamond stamped marks on back ( see images ) with rich silver patina ( all original triple silver plated patinated bronze ) with sharp crisp refined craftsmanship. Note the natural looking hanging tassels on the bottom of this museum quality sconce as well as the iconic classical design. All guaranteed over 125 years old and made by e f caldwell much like the antique light fixtures at the white house as well as other historical landmarks / mansions around the world .