Hand made in Sakai, iron clad shirogami #1 forged by dentoukougeishi master smith Kenji Togashi and expertly ground by his son Kenya. Shirogami 1 has both great edge formation and a longer lived edge life than the more commonly found shirogami 2. Togashi-san is famous for his shirogami 1 for good reason.
The tachi finish refers to tachi-togi finish scratches running from tip to tang, as the knife is cleaned with a light abrasive in the future it will blend into the existing scratch pattern.