Dear nihonto connoisseurs!
Could you please help me with the documents translation and mei identification?
Unfortunately, I do have only low-resolution images of the sword passport (tōrokushō) and nakago.
Here they are
The seller interprets this mei as ‘izumi-no-kami-kanesada’ but I would strongly doubt in this. Also I’m not sure that the tōrokushō data really correspond this sword. All Kanesadas’ signatures that I have found were dissimilar to this mei. When trying to read the mei using hiragana/katakana symbols in google translate, the only reasonable variant I find is Noriyuki. Maybe the mei is just corrupted here?