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Approved - knives withdrawn from private collections, checked, overhauled and certified by Coltelleria Collini

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  1. Master of Defense - ATFK Advanced Tactical Folding Knife - PRIVATE COLLECTION - knife

    KNIFE WITHDRAWN FROM PRIVATE COLLECTION
    * Type: Previously Purchased
    * Condition: Overall in very good condition, knife only, no box and accessories.
    * Commercially available Discontinued since the late 1990s.
    * Sharpening: Factory.
    * Marks on blade: A few small marks given by time.
    * Marks on handle: A few small marks given by time.
    * Box: -
    * Scabbard: -
    * Manuals, Certificates and Warranties: No
    * Checked and Certified by our in-house laboratory.

     

    Master of Defense, an eclectic American brand now discontinued and later taken over by Blackhawk! Blades, produced several lockable and fixed knives of tactical and military types, all made in collaboration with well-known Knifemakers such as Elishewitz, Janick, Keating, Ayoob, Watson and Casillas.


    Intended Use: Tactical/Collection
    Production Type: Industrial
    Country of Production: USA
    Blade: 154CM stainless steel with titanium nitriding
    Handle: aircraft aluminum with non-slip Kraton inserts
    Blade length: 85mm.
    Blade thickness: 3.5mm.
    Length closed: 115mm.
    Total length: 197mm.
    Thickness when closed: 13mm
    Weight: 108g.
    Closure: Button Lock
    Clip: removable, stainless steel
    Packaging: knife withdrawn from private collection, overall in very good condition

    MOD-ATFKCP
    €0.00
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  2. Master of Defense - CQD Mark I by Duane Dieter - PRIVATE COLLECTION - knife

    KNIFE WITHDRAWN FROM PRIVATE COLLECTION
    * Origin: Withdrawn from a private collector, previously purchased
    * Condition: Overall in excellent condition
    * Available on the market: Out of production
    * Sharpening: Factory edge
    * Blade marks: None (the visible stains in the photo are oil on the blade)
    * Handle marks: None
    * Box: Not available
    * Sheath: Present, in Nylon
    * Manuals, Certificates, and Warranties: Not available
    * Checked and Certified by our internal laboratory

    The MARK I is an innovative tactical/military knife, designed by Duane Dieter, produced in the late '90s and has immediately become an icon in the knife-making world.

    Master of Defense, an eclectic American brand that is no longer active and was later acquired by Blackhawk! Blades, produced various folding and fixed tactical and military knives, all created in collaboration with well-known knifemakers such as Elishewitz, Janick, Keating, Ayoob, Watson, and Casillas.

    Intended use: Tactical / Collection
    Type of production: Industrial
    Country of production: USA
    Blade: 154CM stainless steel with titanium nitride coating
    Handle: Aerospace-grade aluminum with non-slip inserts - seatbelt cutter and skull-crusher
    Blade length: 95mm.
    Blade thickness: 3.5mm.
    Total length: 247mm.
    Weight: 122g.
    Lock: Button Lock with additional safety system
    Clip: Removable and reversible, in stainless steel
    Sheath: Belt nylon sheath
    Packaging: No packaging

    MOD-CQDM1-CP
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  3. Guardian Tactical Usa - Deltrix Tactical Folder knife - PRIVATE COLLECTION - CF DK - knife

    KNIFE WITHDRAWAL FROM A PRIVATE COLLECTION
    * Type: Previously purchased
    * Condition: in like new condition
    * Available on the market: no longer in production, difficult to find, dating back to 2015
    * Sharpening: Original
    * Marks on the blade: no
    * Marks on the handle: no
    * Box: original, in cardboard with Guardian Tactical logos
    * Sheath: no
    * Manuals, Certificates and Warranties: original
    * Checked and certified by our internal laboratory

    100% USA Guardian Tactical, an American company specializing in the design and manufacture of tactical knives. Guardian Tactical combines obsessive and partly artisan attention with the use of modern and technologically advanced machinery in order to obtain almost perfect products with extremely high quality performance.

    Intended use: Tactical / Collection

    Type of production: Industrial
    Production Lama: USA
    Blade: CPM-154CM stainless steel
    Blade treatment: Dark StoneWash
    Handle: Carbon Fiber
    Blade length: 95mm.
    Blade thickness: 4mm.
    Closed length: 135mm.
    Total length: 225mm.
    Thick when closed: 18mm
    Balancing: -
    Weight: 162g.
    Closure: Frame Lock
    Clip: removable, in stainless steel
    Sheath: -
    Packaging: Cardboard box with Guardian Tactical logos
    Design: -

    AP-DeltrixDK
    €0.00
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  4. Master of Defense - CQD Mark II by Duane Dieter - PRIVATE COLLECTION - knife

    Knife withdrawn from private collection - Overall in good condition, has some minor wear marks on the aluminum handle. On the other hand, the blade is in excellent condition and still has the factory sharpening - The knife is without packaging and certificates, but comes with the original Nylon sheath - Checked and certified by our in-house laboratory.




    Innovative tactical/military knife, designed by Duane Dieter, produced in the late 1990s and immediately became an icon in the cutlery scene.

    Master of Defense, an eclectic American brand now discontinued and later taken over by Blackhawk! Blades, produced several lockable and fixed knives of tactical and military types, all made in collaboration with well-known Knifemakers such as Elishewitz, Janick, Keating, Ayoob, Watson and Casillas.




    Intended Use: Tactical/Collection
    Production type: Industrial
    Country of manufacture: USA
    Blade: 154CM stainless steel with titanium nitriding
    Handle: aircraft grade aluminum with non-slip and skull-crasher inserts
    Blade length: 85mm.
    Blade thickness: 3.5mm.
    Total length: 200mm.
    Weight: 122g.
    Closure: Button Lock with additional safety system
    Clip: removable and reversible, stainless steel
    Sheath: made of Nylon with MOLLE attachments

    MOD-MARKII-CP
    €0.00
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    Only 0 left
    Out of stock
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4 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.