A museum quality antique large e f caldwell silvered bronze sconce ( similar examples were in the white house as well as other iconic landmarks throughout the globe ) with original diamond signature stamp on back . Having sharp exquisite crisp detail and craftsmanship with a rich silvered patina ( maintains it's original silver plating ) . Correct weight and perfectly balanced acquired from a New York gold coast Long Island estate with sevres meissen porcelain kpm plaque lusters Dresden Baccarat maison Jansen bagues and Italian grand tour furnishings.