very old Wakizashi signature help

hello you all, i got this very old Wakizashi 14 inch cutting part, the whole blade a little bigger , i sent a couple of pics with this very simple signature, but old so could be a little not perfect, also i sent a pic of the hammon if this would help,,,, i no you all are out there dont leave me hanging talk to me thanks for any info

couldny get 3rd pic to go still trying



where you all at what do you think about this