The Mercator and OTTER knife, these two terms are closely related. Now there is also a knife that shows this connection., We have reissued the Otter
Otter Mercator Lockback Folding Knife Brass w/ Lanyard (3.5 Satin) CS - Blade HQ
OTTER-Messer Knives : Blades Canada - Warriors and Wonders - Vancouver, BC
Mercator's
Otter Mercator 10-736 RG R Large Brass Stainless Pocket clip, pocket knife
Mercator Solingen Brass Lockback- German Carbon Steel ‣ Blade Master
Otter Mercator 10-726 RG Large Brass Carbon, pocket knife
Brass Pocket Knife - Israel
OTTER-MESSER 141 Small Hippekniep Folding Knife
Bushcraft Canada - Mobile
OTT10726LB OTTER-Messer Large Mercator Brass OTTER-Messer Nože Nůž