Full length ‘Kinai-Bori’ or ‘Echizen-Bori’ on an Echizen katana. This blade has a cutting test, and what seems to be a name, “Sword of the Last Days”. Early Edo (ca. 1630), NBTHK Tokubetsu Hozon Token, nakago:ubu, two mekugiana, mei:Echizen no Kuni Shimosaka Sadatsugu, uramei:(Mon) Kasane-do oyobi tabitabi Masse (no) Ken kore nari, meito:Masse no Ken: Sword of the Last Days, nagasa:73.6cm, sori:1.9cm, motohaba:3.25cm, sakihaba: 2.3cm, kissaki:3.8cm, nakago nagasa:10.85cm, nakago sori:0.15cm.

http://www.nihonto.ca/echizen-sadatsugu/