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KNIFE WITHDRAWAL FROM A PRIVATE COLLECTION
* Type: Previously purchased
* Condition: in like new condition
* Available on the market: no longer in production single piece produced in 2019
* Sharpening: Original
* Marks on the blade: no
* Marks on the handle: no
* Box: -
* Sheath: no
* Manuals, Certificates and Warranties: original
* Checked and certified by our internal laboratory

Intended use: Collection

Type of production: Artisan by CIC Master Sergio Consoli
Production Lama: Italy
Blade: full-tang stainless steel RWL-34 60 / 61HRC
Blade treatment: -
Handle: holographic resin handle with titanium spacer
Blade length: 85mm.
Blade thickness: 4mm.
Closed length: 120mm.
Total length: 205mm.
Thick when closed: 19mm.
Balancing: -
Weight: 132g.
Closure: Liner Lock
Clip: -
Sheath: -
Packaging:
Notes: Handmade by Master Sergio Consoli - knife number 480 made in 2019

KNIFE WITHDRAWN FROM PRIVATE COLLECTION
* Type: Previously Purchased
* Condition: Like new
* Commercially available: Discontinued, replaced by new variants in different steels
* Sharpening: Factory sharpened
* Marks on blade: No
* Marks on handle: No
* Box: Yes, original, in perfect condition
* Scabbard: -
* Manuals, Certificates and Warranties: - -
* Checked and Certified by our in-house laboratory



Intended Use: Tactical / Collection 

Production Type: Industrial
Country of Production: Taiwan
Blade: Stainless steel CTS-XHP
Blade treatment: Microbead blasted
Handle: Duralumin A7075 
Blade length: 152mm.
Blade thickness: 4mm.
Length closed: 178mm.
Total length: 330mm.
Thickness when closed: 22mm.
Weight: 258g.
Closure: LinerLock type
Clip: removable, painted stainless steel
Notes: discontinued knife, like new, withdrawn from private collection

KNIFE WITHDRAWAL FROM A PRIVATE COLLECTION
* Type: Previously purchased
* Condition: in like new condition
* Commercially available: no longer in production since 2014
* Sharpening: factory sharpening
* Marks on blade: no marks
* Marks on the handle: no marks
* Box: original ZT box
* Manuals, Certificates and Guarantees: ZT certificates
* Checked and certified by our internal laboratory Coltelleria Collini

Intended use: Tactical / Military

Type of production: Industrial
Production Lama: USA
Blade: CPM-S30V steel
Blade treatment: Tungsten DLC Coating
Handle: Black anodized aluminum with non-slip Trac-Tec inserts
Blade length: 925mm.
Blade thickness: 4mm.
Closed length: 126mm.
Total length: 215mm.
Thick when closed: 17mm.
Balancing: -
Weight: 146g.
Closure: Liner Lock
Clip: Removable, Multiposition, in stainless steel
Sheath: -
Packaging:
Notes: Design by Ken Onion - SpeedSafe opening system

Knife withdrawn from private collection. Overall in good condition shows small marks on clip, hardware and handle - Original factory sharpening in good condition - Complete with original Extrema Ratio cardboard box - Checked and certified by our in-house laboratory. 

Intended Use: Tactical/Sportsman

Production type: Industrial
Country of Production: Italy
Blade: Stainless steel N690Co 58HRC
Blade Finish: Burnishing MIL-C-13924
Handle: rough anticorodal (aluminum)
Blade length: 68mm.
Blade thickness: 4mm.
Length closed: 110mm.
Total length: 181mm.
Thickness when closed: 15mm.
Weight: 139g.
Closure: Liner Lock, with additional safety catch
Clip: Removable and reversible stainless steel
Packaging: cardboard box with Extrema Ratio logos

Knife collected from private collection - 2014 model entirely handmade by Allen Elishewitz - Like new, original sharpening - Supplied with nylon pouch with velcro - Checked and certified by our internal laboratory Coltelleria Collini.

Intended use: Collection 

Kind of production: Handmade
Country of production: USA
Blade: handcrafted and beveled, in CTS-C75P stainless steel (Latrobe BG-42)
Blade treatment: handmade satin finish with Allen Elishewitz golden punch
Handle: titanium liners "crushed ice" with carbon fiber and copper grips with handmade bronze bolsters
Blade length: 100mm.
Blade thickness: 4mm.
Length closed: 128mm.
Total lenght: 223mm.
Thickness when closed: 16mm.
Weight: 199g.
Closure: Liner Lock
Clip: Removable, inegral carbon fiber
Notes: Entirely handcrafted by Allen Elishewitz - 2014 model, like new - from private collector - Supplied with nylon velcro pouch.

Retired from rivata collection - Rare Rockstead model produced in 2009 in SANMAI ZDP189 and ATS34 steel - the temper of this piece has reached a rare hardness of 67.4 hrc - Knife in like new condition.

Checked and certified by our internal laboratory - Collini Cutlery.

The best industrial knives currently in production are currently marketed under the Rockstead brand, of Ishida Co. of Sakai, Japan.

Created by Katsumi Kitano, who has been producing quality knives for over 20 years so as to have been awarded the highest recognition among artisan cutlers in Japan, they prove to be exceptional both in cutting capacity, penetration and edge retention and in terms of innovation for materials used and for the construction techniques.

Blade: SanMai ZDP189 and ATS-34 stainless steel at 67.4 HRC
Handle: Same (real stingray leather) and aircraft aluminum with black alumite treatment at Hv400
Blade length: 95 mm.
Blade thickness: 4 mm.
Total length: 210 mm.
Weight: 145 g.
Closure: Liner Lock in 402J2 steel at 52HRC
Clip: 402J2 to 52HRC steel
Notes: Accompanied by a guarantee certificate with technical specifications.

Intended use: Collection

Type of production: Artisan by Maestro CIC Sergio Consoli
Lama production: Italy
Blade: full-tang in RWL-34 60 / 61HRC stainless steel
Blade treatment: -
Handle: carbon fiber
Blade length: 85mm.
Blade thickness: 4mm.
Length closed: 120mm.
Total length: 205mm.
Thick when closed: 19mm.
Balancing: -
Weight: 138g.
Closing: Liner Lock
Clip: carbon fiber
Sheath: -
Packaging:
Notes: Handmade by Maestro Sergio Consoli - knife number 271 made in 2009

Acknowledgments

I currently make a limited number of knives a year and participate in some exhibitions, where among other things I have won my first prizes:

in 2005 at LAME SOTTO I PORTICI in Romano di Lombardia (BG) I was awarded the "best table on display"

always in the same year at the CULTER-EXPO in Novegro (MI) as "best folding knife"

moreover, I ranked second in the competition organized by LAME D'AUTORE magazine as the best fixed hunting blade

then in 2007 at "Scarperia" I won the third prize as the best closable

but above all again in 2007, I achieved, to my great satisfaction, the level of MASTER OF ITALIAN COLTELLINAI CORPORATION, recognition received at the first exam taken.

Presentation of the craftsman

Creating a hand knife is what I consider a real art form.
The satisfaction of seeing an object that comes from your own hands, that takes shape and that reaches mechanical, artistic and aesthetic perfection is what pays me more for all the hours of work and effort it takes to create a knife completely by hand.

The passion for "cutting irons" has always been in me since I was a child and has grown with me until the almost sudden decision to build my first knife on my own, it was a "need", almost an inner need that I couldn't put it off, my hands and my mind had to start creating, of course what I had always been passionate about ... the knife!

I started at 40, in 2003, practically self-taught, I had no manual work experience, but I had been a mechanical designer for many years and this allowed me to know perfectly the technique and all the various stages of mechanical processing.

Currently I am a member, with the rank of Maestro, which is the highest, of the Italian Knifemakers Guild, an association recognized all over the world for the seriousness and above all quality of execution that all its members must maintain over time.

What I do now is what I consider my art form ..., to create "handmade, hunting and collectible knives".

They are knives made entirely by hand, only with an infinite series of files, a small drill for the holes and a sander for the concave grinding of the blades, nothing else!
I make above all folding knives, which satisfy more my desire to build perfect mechanical objects and perfection in the smallest details, even inside where they cannot be seen, is what distinguishes a hand-made knife from an industrially made one .

The mechanics must then be made in the best possible way, without counting the hours of work, only in this way the final result is guaranteed.

Of course, over the years I have refined my technique and currently I have improved even more the mechanics by inserting a system of ball bearings on the blade rotation, which guarantee an absolutely perfect seal and allow the blade to close and open without the slightest friction and with an incredible sweetness.

With regard to the blades, I am experimenting with new types of hardening, which give hardnesses of 62-63 HRC and allow exceptional wire holding and cutting quality for all types of use.

Pathically I make all the knives on my initial design, they are all unique pieces made completely by hand down to the smallest details, one at a time, only in this way, in my opinion, a knife can be considered "handmade".

Regarding the materials that I use, I can say that for the blades I prefer RWL34 steel which is sintered from powders and guarantees the total absence of internal defects, sometimes I also use damask, both stainless steel and carbon, for the uniqueness 'that they donate to the knife, since each damask is always different from another.

For the handles, one of the most beautiful materials is the mammoth tooth, which can be found in a variety of colors, all beautiful, I also use the fossil ivory of mammoth, various briars, titanium and carbon fiber.

Most of the knives, however, are made entirely of steel, in order to then be engraved, always and rigorously by hand, to transform the knife even more into a real work of art ...

Custom by Kevin Wilkins from 2005 from a private collection provided with original certificates signed by the craftsman.

Slight regrinding, perfectly centered blade with good retention from closed, fluid opening movement and blade without any horizontal or vertical clearance once opened. The frame lock engages in the first quarter of the race without any uncertainty and without sticking.

Globally in good condition, it shows some small marks on the G11 handles and on the back and belly of the liners. A small abrasion on the blade, on the right side near the tip of the knife.

Intended use: collection

Type of production: artisanal
Country of production: Germany
Blade: CPM-S90V stainless steel
Finish: Satin
Handle: jade Titanium and G11
Blade length: 75mm.
Blade thickness: 3.8mm.
Length closed: 110mm.
Total length: 188mm.
Thick when closed: 15.8mm
Weight: 158g.
Closure: Liner Lock
Clip: -
Sheath: -
Notes: with original warranty certificates - produced in March 2005 - from a private collection