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- Jun 27, 2007
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Wikipedia said:The Mercator K55K is a type of pocketknife produced in Germany since around 1867. Mercator knives were primarily produced by Hy. Kauffmann, which was operational from 1856 to 1995.[1] The Mercator K55K knife is still produced in Germany by Mercator, now a division of Otter-Messer.
I have no idea if the brass version has been done before, but since I saw one available about year or so ago I knew I had to get one. And since I haven't seen anyone posting one here before, I thought I'd write few words about it.

First of all, I have to say that when you get this knife it is all shiny and clean looking. With these pictures you are looking at one that has seen pocket sweat, fruit- and steak cutting. The knife's handle comes with some sort of lacquer that prevents the patination (is that the word, hah). Now, if you are clean city boy that lacquer might hold, but if you are like me who gets a little uncomfortable at summer, the thing wont hold forever. So, since I am bit of patina kind of guy, I took some gentle brushing and took the coating off. Now the brass is taking nice color that changes constantly as you carry and use it.

(lanyard not supplied with knife)



Opposed to the classic Mercator that has "K55K" and leaping Black Cat, brass edition has the Otter-Messer company logo, Otter catching a fish.

Knife comes with small bail that can be used for lanyards or chain attachment.

Mercator is a long and lean knife. I personally love thin and narrow knives, but the length of the handle makes it a bit tricky knife to carry. I have tried carrying it in short chain lanyard hanging free in pocket, or in leather pouch, but I have ended carrying it just simply in my jeans' coin pocket. It peaks out a bit but I haven't seen it problematic.. and it is thin knife anyways.

For those concerned about the lockback, knife can be used with very hard hammer grip without compromising the lock in any way. With reverse grip (not the stab grip) you have to be bit more aware.

Size comparison pic with common household item, SAK.
All in all, I really love the brass merc. I don't know if it's psychological effect of the nicer look, or if I just got really nice one, but it feels bit smoother than my ordinary K55K.
I don't know what more to say, it is just a wonderful well built knife! It is very old school, quickly made in factory knife, so don't expect to get anything "high end"... for me personally, that is part of the appeal.
I think that the brass version is maybe three to four times more pricy than the ordinary K55K, but with the price you definitely get something more that justifies the price.
In the pictures I have rounded the tang just a little bit to remove the sharpness of it.