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Approved - knives withdrawn from private collections, checked, overhauled and certified by Coltelleria Collini

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10 Items

  1. Zero Tolerance - ZT0100 by Ken Onion - Black DLC CPM-3V & Black G10 - PRIVATE COLLECTION - knife

    KNIFE FROM A PRIVATE COLLECTION
    * Origin: Previously purchased knife from a private collection
    * Condition: 2008 model, overall in excellent condition
    * Commercial Availability: Discontinued
    * Sharpness: Factory-sharpened, could be improved
    * Blade Condition: Minor cosmetic marks on the DLC finish due to age
    * Handle Condition: None
    * Box: -
    * Sheath: Included
    * Manuals, Certificates, and Warranties: -
    * Inspected and Certified by our in-house laboratory

    The Zero Tolerance 0100 is one of the first knives produced by Zero Tolerance, the premium division of Kai USA, which was launched in 2006 to develop professional tools for military personnel, law enforcement, and first responders. The 0100 model was, in fact, one of the first three fixed-blade knives in the original lineup, alongside the 0121 and 0150 models.

    The design bears the unmistakable stylistic signature of Ken Onion, the renowned American designer already responsible for numerous successes at Kershaw. The distinctive “S”-curved blade offers an unusual combination of cutting ability, power, and precision, making the ZT0100 suitable for both tactical applications and the most demanding outdoor use.

    For its construction, Zero Tolerance chose CPM 3V, a steel then considered cutting-edge for its strength and impact resistance, paired with a tungsten DLC coating and three-dimensionally machined G-10 scales. This combination helped solidify the brand’s early reputation as a manufacturer of “overbuilt” knives, designed without compromise for field use.

    Today, the ZT 0100 is a discontinued model particularly prized by collectors, as it is considered one of the knives that helped define the Zero Tolerance brand’s identity in its early years.

     

    Intended Use: Tactical / Sporting / Collectible

    Production Type: Industrial
    Country of Manufacture: USA
    Blade: Full tang, CPM-3V carbon steel
    Blade Finish: Tungsten DLC coating
    Handle: G10
    Blade Length: 146mm.
    Blade thickness: 4.8 mm.
    Overall length: 267 mm.
    Weight: 317 g.
    Sheath: Nylon, belt-mounted, with thermoformed Kydex lining
    Packaging: -
    Notes: Previously purchased knife, from a private collection

    ZT0100-CP
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  2. Andre De Villiers ADV - Ronin Hybrid Folder - Satin CPM-S35VN & Tan G10 - PRIVATE COLLECTION - knife

    KNIFE WITHDRAWN FROM PRIVATE COLLECTION
    * Origin: Withdrawn from a private collection, previously purchased
    * Condition: Like new, never used
    * Available on the market: Difficult to find / Made to order
    * Sharpness: Factory sharp
    * Marks on blade: None
    * Marks on handle: None
    * Box: Nylon pouch with zip
    * Sheath: /
    * Manuals, Certificates, and Warranties: /
    * Checked and certified by our in-house laboratory

     

    Intended use: collection/sport/military

    Type of production: MidTech
    Country of production: South Africa
    Blade: CPM S35VN steel
    Blade treatment: Satin
    Handle: titanium and G10
    Blade length: 103mm.
    Blade thickness: 4.5mm.
    Closed length: 132mm.
    Total length: 234mm.
    Closed thickness: 14mm.
    Balance: on the guard
    Weight: 168g.
    Opening: Carson Flipper type, on ball bearings
    Locking Mechanism: FrameLock with additional slider safety
    Clip: titanium, machined from solid
    Packaging: Cordura case with ADV Tactical logos
    Notes: Previously purchased knife from a private collection

    ADV-RH-TG10-CP
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  3. Andre De Villiers ADV - Pathfinder G2 Knife - Blackwashed Titanium - PRIVATE COLLECTION - knife

    KNIFE RETIRED FROM PRIVATE COLLECTION
    * Origin: Retired from a private collection, previously purchased and professionally resharpened
    * Condition: Overall in excellent condition
    * Available on the market: 2017 model - available in different configurations and steels
    * Sharpening: Professionally resharpened
    * Marks on blade: Minimal signs of resharpening
    * Marks on handle: None
    * Box: Pouch with zip
    * Sheath: -
    * Manuals, Certificates, and Warranties: -
    * Checked and certified by our in-house laboratory

     

    Intended use: collection/sport/military

    Type of production: Midtech
    Country of production: South Africa
    Blade: CPM S35VN steel
    Blade treatment: black
    Handle: blackwashed titanium
    Blade length: 95mm.
    Blade thickness: 4.5mm.
    Closed length: 130mm.
    Total length: 226mm.
    Closed thickness: 14mm.
    Balance: 2cm behind the guard
    Weight: 210g.
    Opening: Flipper on bearings
    Closure: Frame Lock
    Clip: titanium, machined from solid
    Packaging: Cordura case with ADV Tactical logos
    Notes: Designed and built by Andre De Villiers

    ADV-PATG2B-CP
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  4. Anso of Denmark - Aros Folder Button Lock - Stonewashed RWL34 & Green Canvas Micarta - PRIVATE COLLECTION - knife

    KNIFE WITHDRAWN FROM PRIVATE COLLECTION
    * Origin: Withdrawn from a private collection, previously purchased
    * Condition: Overall in excellent condition, a few imperceptible dark spots/cosmetic oxidation on the stonewashed blade
    * Available on the market: Very difficult to find and only available on “drop” from the manufacturer
    * Sharpness: Factory sharp
    * Marks on blade: A few imperceptible dark spots/cosmetic oxidation on the stonewashed blade
    * Marks on handle: A few imperceptible aesthetic marks on the spacer and titanium clip
    * Box: Present
    * Sheath: -
    * Manuals, Certificates, and Warranties: Present
    * Checked and Certified by our in-house laboratory

     

    Shop Built by Ansø of Denmark

    The “Shop Built” line by Ansø of Denmark was created to offer Jens Ansø's original designs in a more accessible and reproducible form than his custom knives, which are traditionally produced in extremely limited quantities. All “Shop Built” models are designed by Jens Ansø in Denmark and made by his team of skilled craftsmen, who take care of every stage of production with great attention to detail.

    This product range maintains the same design philosophy, build quality, and craftsmanship that have made Ansø's work famous, but with a more structured and sustainable production process, designed to satisfy a wider audience without compromising on high-quality materials and finishes.

     

    The AROS model

    The AROS is a compact and versatile folding knife, designed as a utility tool for everyday use (EDC). Designed by Jens Ansø, it stands out for its unique design and precision engineering, designed to offer superior performance in everyday activities: from opening packages to more controlled cutting and carving.

    The AROS features an innovative integral monoblock frame on each side, incorporating pivot screws, button lock, clip, and lanyard hole in a single precision-machined piece. The two parts of the handle are securely joined with titanium screws on the back, ensuring strength and a clean line.

    The 2.5-inch (64 mm) blade now features a hollow grind, a new feature that further improves cutting capabilities while maintaining a slim and elegant profile. The flipper tab is designed to ensure quick opening and, once open, also functions as finger protection. The careful shaping of the blade tang contributes to a comfortable and secure grip, confirming Ansø's focus on functionality and user experience.

     

    Intended use: EDC / Sports

    Production type: Midtech
    Country of production: Denmark
    Blade: RWL34 stainless steel
    Blade finish: stonewashed
    Handle: 6Al4V titanium and micarta
    Blade length: 62mm.
    Blade thickness: 3mm.
    Closed length: 91mm.
    Total length: 153mm.
    Weight: 57g.
    Closure: Button Lock
    Clip: solid titanium, removable
    Packaging: cardboard box with Anso of Denmark logos, warranty certificates
    Notes: previously purchased knife from a private collection, date of manufacture May 2024

    AOD-AROSM-CP
    €0.00
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  5. Anso of Denmark - Aros Folder Button Lock - Stonewashed RWL34 & Carbon Fiber - PRIVATE COLLECTION - knife

    KNIFE WITHDRAWN FROM PRIVATE COLLECTION
    * Origin: Withdrawn from a private collection, previously purchased
    * Condition: Overall in excellent condition, a few imperceptible dark spots/cosmetic oxidation on the stonewashed blade
    * Available on the market: Very difficult to find and only available on “drop” from the manufacturer
    * Sharpness: Factory sharp
    * Marks on blade: A few imperceptible dark spots/cosmetic oxidation on the stonewashed blade
    * Marks on handle: A few imperceptible aesthetic marks on the spacer and titanium clip
    * Box: Present
    * Sheath: -
    * Manuals, Certificates, and Warranties: Present
    * Checked and Certified by our in-house laboratory

     

    Shop Built by Ansø of Denmark

    The “Shop Built” line by Ansø of Denmark was created to offer Jens Ansø's original designs in a more accessible and reproducible form than his custom knives, which are traditionally produced in extremely limited quantities. All “Shop Built” models are designed by Jens Ansø in Denmark and made by his team of skilled craftsmen, who take care of every stage of production with great attention to detail.

    This product range maintains the same design philosophy, build quality, and craftsmanship that have made Ansø's work famous, but with a more structured and sustainable production process, designed to satisfy a wider audience without compromising on high-quality materials and finishes.

     

    The AROS model

    The AROS is a compact and versatile folding knife, designed as a utility tool for everyday use (EDC). Designed by Jens Ansø, it stands out for its unique design and precision engineering, designed to offer superior performance in everyday activities: from opening packages to more controlled cutting and carving.

    The AROS features an innovative integral monoblock frame on each side, incorporating pivot screws, button lock, clip, and lanyard hole in a single precision-machined piece. The two parts of the handle are securely joined with titanium screws on the back, ensuring strength and a clean line.

    The 2.5-inch (64 mm) blade now features a hollow grind, a new feature that further improves cutting capabilities while maintaining a slim and elegant profile. The flipper tab is designed to ensure quick opening and, once open, also functions as finger protection. The careful shaping of the blade tang contributes to a comfortable and secure grip, confirming Ansø's focus on functionality and user experience.

     

    Intended use: EDC / Sports

    Production type: Midtech
    Country of production: Denmark
    Blade: RWL34 stainless steel
    Blade finish: stonewashed
    Handle: 6Al4V titanium and carbon fiber
    Blade length: 62mm.
    Blade thickness: 3mm.
    Closed length: 91mm.
    Total length: 153mm.
    Weight: 57g.
    Closure: Button Lock
    Clip: solid titanium, removable
    Packaging: cardboard box with Anso of Denmark logos, warranty certificates
    Notes: previously purchased knife from a private collection, date of manufacture May 2024

    AOD-AROSCF-CP
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  6. Zero Tolerance - Strider Onion Folder - CPM-MagnaCut - SPRINT RUN - PRIVATE COLLECTION - ZT0350OLTS

    Knife withdrawn from a private collection

    • Origin: Withdrawn from a private owner, previously purchased and used
    • Condition: Like new
    • Availability: Discontinued
    • Factory edge: Yes
    • Blade marks: None
    • Handle marks: None
    • Box: Not included
    • Sheath: Not included
    • Manuals, Certificates, and Warranties: Not included
    • Inspected and certified by our internal laboratory

    One of our first ZT models and still one of the most popular, now offered in a limited edition with a CPM-MagnaCut steel blade.

    The 0350 is a large and aggressive knife, yet compact and light enough to make it a practical and highly effective EDC. It features ZT's assisted opening system: the blade deploys quickly and easily, even with gloves, thanks to the ambidextrous flipper. The blade is finished with a bold and distinctive tiger-stripe pattern created with tungsten DLC coating.

    Intended use: Tactical / Military

    • Production type: Industrial
    • Country of origin: USA
    • Blade material: CPM-MagnaCut steel
    • Blade finish: Tungsten DLC Coating
    • Handle: G-10
    • Blade length: 90mm
    • Blade thickness: 3mm
    • Closed length: 115mm
    • Overall length: 195mm
    • Closed thickness: 13mm
    • Weight: 162g
    • Locking mechanism: Liner Lock
    • Clip: Removable, multi-position, stainless steel
    • Packaging: Not included
    • Notes: Sprint Run edition with CPM-MagnaCut steel - Design by Mick Strider and Ken Onion - SpeedSafe opening system
    AP-ZT0350OLTS
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  7. Andre De Villiers ADV - 2018 Ronin - S35VN & Integral Blackwashed Titanium - PRIVATE COLLECTION - knife

    KNIFE WITHDRAWN FROM PRIVATE COLLECTION
    * Type: Previously Purchased.
    * Condition: Like New
    * Commercially available 2018 Exemplar; currently offering other variants in other configurations.
    * Sharpening: Factory.
    * Marks on blade: None
    * Marks on handle: None
    * Box: Present
    * Scabbard: -
    * Manuals, Certificates and Warranties: -
    * Checked and Certified by our in-house laboratory



    Intended use: collectible/sporting/military

    Production type: Midtech
    Country of manufacture: South Africa
    Blade: stainless steel CPM-S35VN
    Blade treatment: blackwash
    Handle: integral, machined titanium from solid, blackwash finish
    Blade length: 103mm.
    Blade thickness: 4.5mm.
    Length closed: 132mm.
    Total length: 234mm.
    Thickness when closed: 16mm.
    Weight: 191g.
    Opening: Carson Flipper type, on ball bearings
    Closure: FrameLock
    Clip: titanium, machined from billet
    Packaging: plastic case with ADV Tactical logos
    Notes: entirely designed and built by Andre De Villiers in his own workshop

    ADV-RBTI-CP
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    100%
    5
    Out of stock
  8. Zero Tolerance - Ken Onion Flipper Knife - ZT0200ST - PRIVATE COLLECTION - knife

    KNIFE WITHDRAWN FROM PRIVATE COLLECTION

    Type: Previously Purchased
    Condition: in excellent condition
    Available in commerce: NO
    Sharpening: Original
    Marks on blade: YES - small marks
    Marks on handle: NO
    Packaging: YES, original box
    Checked and Certified by our internal laboratory
    Intended use: Tactical/Military

    Type of production: Industrial
    Country of production: USA
    Blade: In stainless steel 154CM
    Blade finish: Tungsten DLC Coating
    Handle: G10 with stainless steel liners
    Blade length: 101mm.
    Blade thickness: 4mm.
    Closed length: 132mm.
    Total length: 222mm.
    Thickness when closed: 21mm.
    Weight: 225g.
    Closure: Liner Lock
    Clip: Removable, reversible and multi-position, in stainless steel
    Packaging: -
    Notes: Design by Ken Onion - Opening system through Carson Flipper system - Knife out of production, withdrawn from private collection, like new, without box

    AP-ZT0200ST
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  9. Zero Tolerance - Strider Onion - Tigerstripe Black G10 - ZT0303 - PRIVATE COLLECTION - knife

    Knife from a private collection - Iconic and sought after model designed by Ken Onion and Mick Strider - Out of production and no longer available - Perfect in all, like new, serial 1544, does not have any kind of sign or defect - The knife shows an uncertainty at the tip, on the sharpening, which is slightly different; presumably already produced in this way by ZT - The sharpening is good and shows no signs of wear, presumably the sharpening is the original factory - Accompanied by original Zero Tolerance box, but referred to the model 0301 with green G10 handle - Checked and certified by our internal laboratory

     

    Intended Use: Collection / Tactical / Military

    Production type: Industrial
    Country of Production: USA
    Blade: Steel CPM-S30V
    Blade Finish: Tigerstripe - Tungsten DLC Coating
    Handle: Titanium and G-10 with 3D finish
    Blade Length: 95mm.
    Blade thickness: 4mm.
    Length closed: 133mm.
    Total length: 218mm.
    Thickness when closed: 17mm.
    Weight: 232g.
    Closure: Frame Lock
    Clip: Removable, Multiposition, Stainless Steel
    Package: Cardboard box with Zero Tolerance logos (the box refers to a different model, 0301)
    Notes: Design by Mick Strider and Ken Onion - SpeedSafe opening system - Like new - Retired from prvated collection

    ZT0303-CP
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  10. CRKT - Hi Jinx Z by Ken Onion - K281KXP - PRIVATE COLLECTION - Pocket Knife

    KNIFE WITHDRAWN FROM A PRIVATE COLLECTION
    * Provenance: withdrawn from a private collection, previously purchased.
    * Condition: like new
    * Commercially available: discontinued
    * Sharpening: factory sharpened
    * Marks on the blade: None
    * Marks on the handle: None
    * Box: Present
    * Scabbard: /
    * Manuals, certificates and warranties: Available
    * Tested and certified by our in-house laboratory.

     

    Intended Use: Sporting

    Production Type: Industrial
    Country of manufacture: China
    Blade: Stainless steel 1.4116
    Blade finish: Satin surface
    Handle: GFN nylon
    Blade length: 84 mm.
    Blade thickness: 2.3 mm.
    Length closed: 120 mm.
    Total length: 203 mm.
    Weight: 139 g.
    Closure: Liner Lock
    Clip: Stainless steel, removable and reversible
    Packaging: Cardboard box with CRKT logo
    Notes: Ball bearing opening with IKBS system - Opening via Carson pinball system - Design by Ken Onion

    CK281KXP
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10 Items

Sports, Outdoor, Tactical, and Collectible Knives: The Collini Selection

For over 50 years, Coltelleria Collini has been a reference point in Italy for the world of specialized cutlery. Since 1968, we have been selecting sports, outdoor, professional, and collectible knives, collaborating exclusively with official brands, historical manufacturers, and master artisans.

In this category, you will find thousands of original knives, chosen for demanding collectors, EDC, outdoor, and bushcraft enthusiasts, as well as professional operators who require reliability, quality materials, and consistent performance over time.

Military & Tactical Knives

Knives designed for heavy-duty and professional use, where robustness and reliability are paramount. We select world-leading brands such as Extrema Ratio, Zero Tolerance, Ka-Bar, and Cold Steel. Fixed and folding blades developed to withstand extreme conditions.

Sports & Outdoor Knives

From trekking to hiking, from bushcraft to everyday carry (EDC). Discover the Italian excellence of Fox Knives and LionSteel, the Nordic solidity of Fallkniven, and great classics like Opinel and Spyderco.

Collectible & Rare Knives

Custom, vintage, limited edition, and discontinued knives. Through our Approved program, we acquire, evaluate, and certify private collections, offering our customers access to rare, display, and investment-grade blades.

Why choose Coltelleria Collini since 1968

We are not just an e-commerce site, but a historic cutlery shop with direct experience on the products we offer. Buying from us guarantees:

  • Certified Originality: we are official dealers for all brands we carry.
  • Real Stock with fast shipping.
  • Qualified Assistance and technical advice before and after sales.

Knives Catalog PDF Want to know more? Download the Knives Catalog for free (PDF)

Knives FAQ

What is the best knife brand?

There is no absolute "best" brand, but specific leaders for each use. For tactical and professional use, Extrema Ratio and Zero Tolerance are top tier. For outdoor and EDC, Fox, LionSteel, Fallkniven, and Spyderco excel.

Is it legal to buy sports knives online?

Yes, buying sports and collectible knives online is generally legal for adults. However, laws regarding carrying and transporting knives in public vary significantly by country. Always check your local regulations.