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Valhalla Cutlery Custom Cyprium Copper S30V Hand Ground by Alan Harvey Balisong Butterfly Knife

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The Cyprium Balisong Butterfly Knife

100% Made In the USA

Hand Made by Americans Using Only Materials from the USA.

It’s Time To Give People What They Want.

Growing Up In The Eighties We Always Had Pennies Made Out of Copper - Man Times Have Changed.

Valhalla Cutlery went Back To The Real Deal and Spared Nothing & the Result was PURE QUALITY.


It starts with Blades & Handles being water jetted by Great Lakes Water Jet in Granger, Indiana.

Then Getting Custom Knife Maker Alan Harvey to Come to Colorado to meet me at Valhalla Cutlery.

Blades are all Custom Hand Ground by Alan Harvey.

The Blades are all Heat Treated & Cryo Treated by Peters’ Heat Treat in Meadville, Pennsylvania.

Peters’ Heat Treat brings the S30V to a Rockwell of 61.

Solid Copper Handles were Designed & Custom Hand Made by Alan Harvey.

The Latch is made from Titanium.

The Spacers are Carbon Fiber Hand Made by Alan Harvey.

The Hardware is Heat Treated Stainless Steel with Torx Body Screws.

The Pivots are Heat Treated Stainless Steel with Titanium Bushing and Allen Head Pivot Screws

The Hardware is Precision Swiss Screw Machined by Swiss-O-Matic in Montrose, Colorado.

Why Did I use S30V?

It is American Made Steel for One Thing.

CPM S30V is a martensitic powder made stainless steel which was developed by Dick Barber of Crucible Materials Corporation in collaboration with knifemaker Chris Reeve as a knifemaking steel due to its wear and corrosion resistance.

Its chemistry promotes the formation and even distribution of vanadium carbides which are harder and more effective at cutting than chromium carbides.

In addition, vanadium carbides give the steel a very refined grain which further contributes to the sharpness and toughness of its edge.

Its composition is as follows: Carbon 1.45%, Chromium 14.00%, Vanadium 4.00%, Molybdenum 2.00%.

Knifemakers prefer using CPM S30V because its composition makes it easy to consistently heat treat as well as easier to grind although the carbides wear down the grinder belts.

According to Custom Knifemakers, knife users prefer S30V because it provides a strong blade with a maintainable edge due to the Vanadium carbides.

Why did I use Copper Handles?

Keep Your Pennies In Your Pocket.

The Romans found Copper on the Island of Cyprus and Called it Cyprium.

Copper metal and alloys have been used for thousands of years.

In the Roman era, copper was principally mined on Cyprus, hence the origin of the name of the metal as Cyprium, "metal of Cyprus", later shortened to Cuprum

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"Fourscore and seven years ago our fathers brought forth on this continent, a new nation, conceived in Liberty, and dedicated to the proposition that all men are created equal."

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"I do not think much of a man who is not wiser today than he was yesterday."

"To sin by silence when they should protest makes cowards of men."

- Abraham Lincoln.




Overall Length:  9 Inches
Closed Length: 5 Inces
Blade Length: 4 Inches
Blade: S30v Stainless Steel
Blade Sharpening:  Alan Harvey
Blade Rockwell:  61 RC Blade Hardness
Heat Treat:  Peters’ Heat Treat
Alloy 110 Copper 99.9% Corrosion Resistant Rockwell F65-F80 Temper H04
Latch & Spacers:  Carbon Fiber
Hardware:  Heat Treated Stainless Steel
Handle Screws:  Torx

Pivots:  Stainless Steel with Titanium Bushings and Allen Head Screws
Handle Designs:  Alan Harvey

Weight:  7.2 ounces / 205 grams

Comes with a Cordura Black Canvas Pouch with Plush Gray Fleece Lining.

Absolute Best One of 5 Made Because I Kept It

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