Would like some help with signatures please

[britboy]

Hi
Can anyone help with these signatures. they come from a short sword.
No idea of age. They were, if the story holds water, a vet pick-up.
many thanks in advance

[Budo45]

not sure about the tsuba, maybe Shoami?
wak is Omi no Kami Hisamichi...is there other kanji not shown?

[britboy]

Thank you very much for the help.