How do I know if my Katana is real? Katana Sword

If you are a martial arts enthusiast or a collector of antique weapons, you may have in your possession a katana, one of the most iconic swords in Japanese culture.

However, how do you know if your katana is real or a fake? In this article, we will explain everything you need to know to verify the authenticity of your katana.

What is a katana?

The katana is a Japanese sword with a curved, single-edged blade traditionally used by samurai, Japan's elite warriors.

The katana is valued for its lightness, speed and clean cut. Katana blades are forged from multiple layers of steel, which gives the katana its hardness, flexibility and characteristic appearance.

authentic japanese sword

What are the characteristics of a genuine katana?

A genuine katana must have certain characteristics that distinguish it from a counterfeit. Here are a few things to consider:

The blade

The blade of a genuine katana must be forged from hardened steel and have a characteristic curve. The shape of the curve is called sori, and it should be smooth and flowing. The blade should also be engraved with the name of its smith or the city where it was made.

The hamon

The hamon is the tempered line visible on the katana blade. It is created when the blade is tempered and should be irregular and distinctive. Fake katanas may have an engraved line to imitate the hamon, but it will not be the same as that of a genuine katana.

The Hilt

The hilt of a genuine katana is called a tsuka and is usually covered with ray skin. The handle is attached to the blade with bamboo pegs called mekugi. Fake katanas may have plastic or faux leather handles.

The scabbard

The scabbard of a genuine katana is called saya and is usually made of lacquered wood. It is often decorated with a silk cord called sageo. Fake katanas may have plastic or cheap wooden scabbards.

How to check the authenticity of a katana?

Now that we've looked at the characteristics of a genuine katana, here's how you can check the authenticity of your katana:

Research the history of your katana

The first step in verifying the authenticity of your katana is to research its history. If you bought the katana from a seller or collector, you can ask them to provide you with all the information available about the katana.

You can also consult Japanese history books or specialized websites to learn more about authentic katanas.

Check the inscription on the blade (nakago)

The inscription on the blade, or mei, is a crucial element in identifying an authentic katana.

Genuine katanas usually have an inscription engraved on the blade, indicating the name of the craftsman who made it and the date of manufacture. The inscriptions on the blade can also indicate the origin of the katana.

Check the curvature of the blade

The curvature of the blade is another important element to consider when identifying an authentic katana.

Authentic katana blades have a pronounced curvature, which is designed to provide maximum reach and power when cutting. Newly made katanas may have a weaker curvature, which may indicate a reproduction or counterfeit.

Examine the quality of the blade

The quality of the blade is another important indicator of a katana's authenticity. Authentic katanas are usually made from a specific type of steel called tamahagane, which is obtained from the fusion of iron and sand. Genuine katanas also have a carbon steel blade, which is hardened and tempered to provide maximum strength. Inferior blades may indicate a reproduction or counterfeit.

Call in an expert

If you have any doubts about the authenticity of your katana, you can call in an expert to examine and verify it. Katana experts can examine the blade, handle and other components to determine if the katana is authentic. They can also provide information about the history of the katana and its origin.

Our Katanas

See More
Save $130.00
Blue and white katana with intricate leaf designs, displayed on a wooden stand, showcasing elegance and craftsmanship. Fuyu Katana .A blue-bladed katana with a white handle rests on a wooden stand, accompanied by an ornate white scabbard. Fuyu Katana.
Katana Sword Fuyu Katana 冬
Sale priceFrom $190.00 Regular price$320.00
In stock
Close-up view of katana, showcasing black steel blade, ornate tsuba, and red sheath detail with intricate handle wrap. Custom-Made Katana.Custom-Made Katana Katana Sword
Katana Sword Custom-Made Katana
Sale priceFrom $250.00
In stock
Save $60.00
Purple and gold Enma Katana with intricate design on blade, displayed on a stand with scabbard in front view.Purple and gold katana with intricate designs displayed on a wooden stand against a black background, Enma Katana.
Katana Sword Enma Katana
Sale priceFrom $190.00 Regular price$250.00
In stock
Save $100.00
A polished steel katana with a detailed guard on a stand, gray handle wrap, and ornate scabbard against a black backdrop. Nami Katana .A beautifully crafted katana with a silver blade, ornate gold accents, and a detailed handle on a stand. Nami Katana .
Katana Sword Nami Katana 波
Sale priceFrom $270.00 Regular price$370.00
In stock
Save $60.00
Black katana with red accents and flame designs rests on a stand, showcasing detailed handle wrap and engraved blade. Tanjiro V2 Katana.A red and black katana with a black scabbard on a display stand, dragon emblem visible. Product: Tanjiro V2 Katana.
Katana Sword Tanjiro V2 Katana
Sale priceFrom $190.00 Regular price$250.00
In stock
Save $60.00
A sleek black katana with silver blade on stand, featuring a red emblem on the sheath, displayed against a black background. Sasuke Katana.A sleek katana with a black handle and scabbard, displayed on a stand with a gold dragon emblem. Sasuke Katana.
Katana Sword Sasuke Katana
Sale priceFrom $190.00 Regular price$250.00
In stock
Save $120.00
Two intricately designed katanas on a wooden stand, featuring a black blade and ivory handle with ornate patterns. Jin Katana .Jin Katana
Katana Sword Jin Katana 寺院
Sale priceFrom $250.00 Regular price$370.00
In stock
Save $60.00
Red and black katana with flame motifs, white handle, and orange guard on a wooden stand, showcased against a black background. Rengoku K...Elegant Rengoku Katana with red flame design and white handle, displayed on a wooden stand with black backdrop.
Katana Sword Rengoku Katana
Sale priceFrom $190.00 Regular price$250.00
In stock
Save $60.00
Close-up and angled view of a Giyu Tomioka Katana V2, with blue-tinted blade, ornate guard, white and black handle, and black sheath.Giyu Tomioka Katana V2 Katana Sword
Katana Sword Giyu Tomioka Katana V2
Sale priceFrom $190.00 Regular price$250.00
In stock
Save $60.00
Golden hilt and red-black blade katana on stand with dragon emblem, sheathed partially in black scabbard. Yoriichi Tsugikuni Katana.A red and black blade with a gold-detailed hilt displayed on a decorative black stand. Yoriichi Tsugikuni Katana.
Katana Sword Yoriichi Tsugikuni Katana
Sale priceFrom $190.00 Regular price$250.00
In stock
Save $60.00
Close-up of a white-handled Katana with a gold guard and black blade, displayed on a wooden stand with scabbard. Wado Ichimonji Katana.Displayed on a wooden stand, the katana has a black blade, white handle, and scabbard with gold accents. Wado Ichimonji Katana.
Katana Sword Wado Ichimonji Katana
Sale priceFrom $190.00 Regular price$250.00
In stock
Save $80.00
Golden-hilt katana with intricate designs, displayed crosswise on a wooden stand with sheath. Kamon Katana Kamon Katana .Silver katana with beige and black hilt on a wooden stand above a dragon-embellished ivory sheath. Kamon Katana.
Katana Sword Kamon Katana 家紋
Sale priceFrom $220.00 Regular price$300.00
In stock