hanko stamp oishya certificate of authenticity

The Art of Hanko: A Japanese Tradition Meets Sakai Kyuba Craftsmanship

At Oishya, we have a deep appreciation for the rich cultural heritage that infuses every aspect of our Sakai Kyuba knives. From the centuries-old bladesmithing techniques passed down through generations in Sakai, to the elegant wooden boxes that house each knife, we strive to honour the traditions that make Japanese craftsmanship renowned worldwide. One such […]