I am starting to see more of this kind of thing online and I am happy to see it.
This Hasebe sword had old green papers and Aoi submitted it to get new NBTHK papers to clarify any doubts about the old attribution.
I have blogged many times that green papers = no papers, and this is what dealers should do when encountering green papered items. It is not only good for the buyer of this piece, it is good for the dealer, and good for the overall market.
This is what responsibility looks like.