I have seen this feather stamp used on many different types of works with no artist(s) attributed and as well have seen the stamp as design. I think it will be hard to figure out a maker with this mark. Possibly a shop mark?
Here are a few examples.

I have seen this feather stamp used on many different types of works with no artist(s) attributed and as well have seen the stamp as design. I think it will be hard to figure out a maker with this mark. Possibly a shop mark?
Here are a few examples.
