Makers name?

[simona]

Sorry, terrible screen shot, but can anyone tell the makers name?
Kanji is on a kiridashi.
Cheers.

 

[dragjp]

Looks like 清久作(Kiyohisa), belongs to 渡辺清栄(Watanabe Kiyoe). The workshop is called 清久手づくり鑿製作所

 

[simona]

Looks like 清久作(Kiyohisa), belongs to 渡辺清栄(Watanabe Kiyoe). The workshop is called 清久手づくり鑿製作所

Thanks !