Rare period torch or Taschenlampe made by Nirona

This is a nice period torch or Taschenlampe made by Nirona in very good condition. This is a very unusual, large and round design which features a steel loop on the back for the belt and a leather button tab.. The torch is in very good condition and is nicely marked D.R.G.M. on the front as well. Rare and desirable example!