Meanings of Kanji on the Katana Sword

Hello Kanji Fans! Today, I want to share a very interesting question from a follower! It's a historian's job! I bought this sword and I see some kanji on the blade. What does it mean?  Wow, you got a Katana sword! Thank you for the pictures! Let me see...OK, you want to know what this means. Leave it to me! KansaiChick is here for help. (*'▽')/ First of all, Japanese people call this 銘(mei). I think you might see something on the same spot of your kitchen knife. Today some makers engrave or print their brand name and stuff there. Ancient Japanese blacksmiths did that too. Let's see what this one…