3.75 Pair of Crystal Candle Holders Frank Lloyd Wright FND 1986. This stunning pair of vintage Tiffany & Co. Crystal candle holders were adapted from a Frank Lloyd Wright design in collaboration with the Frank Lloyd Wright Foundation. The attractive optical properties of this lead glass set are simply stunning. On the base of each candleholder are the markings Tiffany & Co. ” and “FL Wright FDS 1986. ” The candleholders are 3 1/2″ wide at the base which is hexagonal. The top measures 1 1/8 and is also hexagonal.