Tsuba Signature

[vajo]

I have these signature on a tsuba.

 

Would be nice if someone can help me to read. I paint the signature in photoshop a little.

 

 

First Kanji could be

 

Masa 正 Moto xx?

 

xx Shu xx

[Ray Singer]

Bushu ju Masahisa.

[Stephen]

Or last kanji tsugu

[vajo]

Thanks a lot. 

 

 武 州 住 正 久

[Ed]

Bushu Ju Masahisa

 

 

[Stephen]

Agreement