This is an antique miners' lamp, also known as a "frog lamp" (German: Froschlampe) due to the shape of the lamp, which resembles a sitting frog. These lamps were used in mines and were fueled by vegetable oil or a mixture of animal fats. The year 1886 is clearly stamped on the pendant mechanism. Made of bronze. The item is antique and has the original patina typical of antique items. In the modern market it is a collector's item, an antique item.