This Boston Sandwich Glass whale oil has an elegant domed font above a fluted thumbnail pedestal in the "Waisted Loop" pattern It is attached by a wafer to a hexagonal base. The whale oil Sandwich glass lamp dates Circa 1830-1850. It measures 12" to burner and approximately 18" overall. The condition of this period Sandwich glass whale oil lamp is very fine with no damage. It comes from a life time major collector's estate.