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.
Otter Mercator Knife Small, Brass
OTTER-Messer Mercator Brass Otter Small 10701 Carbon Steel - Hero
Couteau Mercator Laiton Otter Messer
Mercator by Otter-Messer Traditional German Folding Pocket Knife
Taschenmesser aus Solingen, handgefertigt
The @1924us solid brass Mercator pocket knife.
MERCATOR brass, without leather strap, Carbon steel C75
OTTER-Messer Large Mercator Folding Knife 3.5 Carbon Steel Blade
10726.D Folding knife OTTER Mercator series brass
otter mercator da - 1145984880