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              [Living National Treasure] Katana by Ryōzanko Masamine – Tachi Style (NBTHK Tokubetsu Hozon Token Certified)
Experience the pinnacle of modern Japanese sword craftsmanship.
This exceptional tachi-style katana was forged by Ryōzanko Masamine, a designated Living National Treasure of Japan, and is officially certified as a Tokubetsu Hozon Token (Special Preservation Sword) by the NBTHK.
With its graceful curvature, refined geometry, and precise balance, this blade is not only a weapon but a true work of art, representing the zenith of swordsmithing in the modern era.
Experience the pinnacle of modern Japanese sword craftsmanship.
This exceptional tachi-style katana was forged by Ryōzanko Masamine, a designated Living National Treasure of Japan, and is officially certified as a Tokubetsu Hozon Token (Special Preservation Sword) by the NBTHK.
With its graceful curvature, refined geometry, and precise balance, this blade is not only a weapon but a true work of art, representing the zenith of swordsmithing in the modern era.
🔹 Specifications:
- Signature (Omote): 加賀住両山子正峯作 (Ryōzanko Masamine, Kaga) 
- Signature (Ura): 甲寅年八月日 (Year of the Tiger – August) 
- Era: Modern (Contemporary) 
- Blade Length: 74.7 cm 
- Curvature (Sori): 2.6 cm 
- Width at Base: 33.7 mm | Thickness at Base: 8.2 mm 
- Width at Tip: 24.2 mm | Thickness at Tip: 6.7 mm 
- Mekugi Hole: 1 
- Weight: - Blade Only: 871 g 
- With Mountings: 1182 g 
 
🔹 Highlights:
- Forged by a Living National Treasure, one of the highest honors for a Japanese artisan 
- Certified by NBTHK as Tokubetsu Hozon Token – denoting superior quality and preservation 
- Elegant tachi curvature and superb polish—ideal for display, collection, or ceremonial use 
 
                         
    
    
      
      
        
      
      
    
      
      
        
          
        
      
      
        
        
          
        
        
 
      
    
      
      
        
          
        
      
      
        
        
          
        
        
 
      
    
      
      
        
          
        
      
      
        
        
          
        
        
 
      
    
      
      
        
          
        
      
      
        
        
          
        
        
 
      
    
      
      
        
          
        
      
      
        
        
          
        
        
 
      
    
      
      
        
          
        
      
      
        
        
          
        
        
 
      
    
      
      
        
          
        
      
      
        
        
          
        
        
 
      
    
 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