Otter Mercator Brass Folder Large.
Still hand made in Soligen, Germany. These knives have a long history of use and remain true to their past in terms of the design, the materials and the quality of manufacture. They have not changed in 100 years.
Solid Brass Frame, folded (no seems) with an 'in frame' lock back mechanism, held in place with Stainless rivels (not screws). These are simple works of Art and Function.
These are the large Folders with 3.5in Blade of Germain C75 High Carbon Steel, 58HRC and Flat ground.
Great EDC Knife.