In Germany the Mercator knife is colloquially known as "Kaiser-Wilhelm-Messer", in the US it is commonly referred to as "Black Cat Knife". The brass handle gives it a touch of noblesse.
MERCATOR brass with clip, Stainless steel 1.4034
Otter Mercator 10-736 RG Large Brass Carbon Pocket clip, pocket
MERCATOR水獺折疊刀
OTTER-Messer Large Mercator Brass Folding Knife 10-726 LB
Otter Leather Strap
Otter Messer Knife
Otter Mercator Brass Folding Knife With Clip for sale
OTTER-Messer Knives : Blades Canada - Warriors and Wonders
OTTER-Messer Large Mercator Brass Folding Knife 10-726 LB
Brass is class? : r/EDC