Sword signiture translation an approximate historical value.

Can I please impose on the group to give me a translation of the signed tang of this blade . Any historical vault and if it will be a matter of interest to the museum of Japan or to any members . This was in my father's collection that has passed to me. He was murdered right before xmas by a would be car jacker. I would much like to keep it if is of no renown to the people of Japan. If it is the proceeds of its return will go to my mother to help with her remaining years.