jero32 said:

Well your method seems to be literally combining frames. Which opens a whole new can of worms. It could look really good for a "view" version though. (vs a preservation version)

I know there would be problems with that method.
But it could look good. And it would not remove all
the grain. Just one generation of it.
don’t think I am one of those “grain is bad remove it all” people.
I was also thinking that the grain in some of the composite shots would help hide
Garbage matt’s. Garbage matt’s that I never saw until 1997 and 2004.