Close but wrong lamp shade.
We own this lamp. The base is different (it does not have a human figure) and we have seen other bases online with different designs--one looks like a tree. Our lamp does match the base, however--they have the same number etched into the metal.
It is a very cool lamp. We believe it is an H. J. Peters Chicago slag glass lamp. I joined this forum just to post the picture because there seemed to be an interest. Check out the close-up photo--great detail in that metal.
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--Steve