I purchased this wakizashi recently. The blade looks to be in very nice condition. The hamon and the veins in the blade look to be authentic as with the hamon.
I have 2 main concerns.
1) the signature is hi-shu kawachi-no-kami Fujiwara Masahiro. When I googled this name, most of the signatures with this name were hizen hishu. Is this a cause for concern? Resolved! Upon second glance, there are actually quite a few that are listed as Hishu rather than Hizen
2) this item came with nbthk tokubetsu kicho paperwork. Although the blade does look very nice with virtually no scratches and only one very tiny very light line of black rust which I showed in a picture, I heard that one should always be wary of any swords with this type of paperwork.
For refence, I paid $1500 usd. There is still a return policy in place so I wanted to make sure that what I have looks good to everyone else. This has been keeping me up all night. Maybe it's just jitters. Hopefully you guys can help me clarify.
Due to the size of the photos, I uploaded some of the pictures onto ibb photo hosting.
https://ibb.co/Vp08dkz
https://ibb.co/R24BYcp
https://ibb.co/JyKsnDn
https://ibb.co/RchpZ3L