Translation/identification of inscriptions, thank you.

[Vince634]

Dear all,

My name is Vincent, I live in LA and this is my first article here.
My collections focused more on Japanese swords, and there is a complete system teaching people how to appraise a sword from swordsmiths, attributions, and characteristics of the swords itself. I believer there must also be a system for Yatagan as well, however the most abundant information I can find is this forum.
Long story short, just purchased a Yatagan because of its beautiful shape and interesting hilt. I did not know the inscriptions on the blades carry so much information before buying it, but once I knew the fact, I became so eager to know its meaning(who doesn't). I read almost all threads discussing Yatagan inscriptions here, and found that the inscriptions of my Yatagan are quite different from others.
1. the "strokes" in the square box don't look like words to me, not like Arabic, Turkish or Farsi (probably due to my ignorance.)
2. The Solomon seal on the other side of the blade looks transformed.
3. The hilt looks like Balkan, but I didn't find any other similar item.
4. The copper part connecting the hilt and the blade looks not very delicate comparing to the hilt.
Could anybody please kindly help me translate or identify the inscriptions? And maybe a good guess of its origin and time? Thank you in advance.

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