u/EmotionalDig1730

Hello guys, i was wondering if you could help me, im finding someone who resides in Japan as i wanna know more about my knife

details
Vintage Japanese Santoku Knife – “Secret Eijisaku” – Made in Japan

• Authentic vintage Japanese kitchen knife
• Brand/Line: “Secret Eijisaku”
• Origin: Ono City, Hyogo Prefecture, Japan
• Knife Type: Santoku / all-purpose chef knife
• Era: Estimated 1970s–1990s
• Steel Type: Chromium + Molybdenum stainless steel
• Heat-treated high-performance Japanese steel
• Excellent edge retention and rust resistance
• Traditional Japanese craftsmanship
• Western-style riveted wooden handle
• Double bevel edge
• Includes:
  • Original box
  • Original booklet/manual
  • Original packaging inserts
• Booklet mentions:
  • Edo-period blacksmith origins
  • Handmade blade production
  • Banshu artisan craftsmanship
  • Strict quality control standards

Newbie here, Asking permission to post, I will delete if i break any rules, thank you!