As you can see it opens but with some difficulty and not very wide
There's no photo attached, can you try again?
It's a spring coil wire wisk, circa 1920 (?).
more specifically, it's an egg whisk.
It looks like a Flour duster.
Here is a picture of a Flour duster, used to spread flour on your work surface
Thank you HalfPint. That's the closest and agrees to Dr. Google when you search.
It's a flour duster. When you roll out dough you dust the surface first so it doesn't stick. You open it to add flour and shake over the surface to dust.
Looks exactly like my flour duster!