I don't think that is cork on the bottom. It appears to be the color of the clay used to make the piece. Reminds me of N.C. made pieces but not quite. I'm unsure still. The shape looked like many Asian metalware vases when I originally looked at it, but I figured O would have mentioned that from the get go, if that were the case.That looks just like a vase I found about 10 years ago for $2 at a resale shop LOL.
The one I have appears to be mixed, non-ferrous metal with an acid+applied heat patina.
I noticed yours has a cork(?) on its base. If possible, remove the cork and see if there is a makers mark
like the one pictured below. (I'm still trying to find more info). Awhile back I took mine to an
antique dealer and he offered me $75 for it. . . which I declined. He thought the vase I had might
date early 20th-century. This is about all I know.
Hopefully someone else will chime in that has some additional info.
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We still don't know what it's made of. I thought the bottom was the color of the clay but you said it's a piece if felt. What is this made made of? Is it ceramic or metal? I would pull the piece of felt off and look for a mark under it. I've found many a mark hidden under felt and cork add ons.