This Tanto by Asegawa Uhei Masachika comes with some paperwork and a Certificate of Authenticity from Japan. This is what the paperwork says:
Special order Shinshinto O-Tanto with Goto Daidai/Orange Kozuka and Goto Shishi-Dog Menuki. Blade Kiyomaro school, Kyomaro was the most famous Shinshinto Smith the #1! & Masachika was A student of the famous Suzuki Masao, Masao was a famous smith & the first student of the most famous Shinshinto Smith Kiyomaro. Paper certification: NBTHK Tokubetsu-Hozon + Sayagaki by Tanobe Michihiro Sensei on shirasaya. The sayagaki say all about the very good workmanship, the sizes, hamon, hada, signature, date custom order, beautiful work, etc...
Blade is signed: Asegawa Uhei Masachika
Special order for Mister: Okuda Kageyuki Hai To
and dated: Keio Ni Nen Hachi Gatsu Hi = A day in August 1866.
The blade has polished fullers and a beautiful hamon, .280" blade stock and 1.313" blade depth, hidden tang construction. Comes with the presentation saya and COA. Also comes with its custom fittings. Stunning sword. Excellent condition. Comes with a sword bag for the tanto and one for the fittings.