They have famous names such as Colt, Winchester, Mauser or Walther, perhaps also Kuchenreuther and Purdey or even Holland & Holland. Several times a year, the German auction house Hermann Historica, now based in Grasbrunn near Munich, organises auctions. The big names in the history of firearms are put up for auction, as are the almost forgotten developments of ingenious inventors. For a short …