Oil lamp in the form of a hand

A oil or tallow lamp in the form of a hand with the index finger extended so the flame would come out of the finger tip.
Wonderful little pixie type chap on the lid, beautifully made I think it is clay or terracotta.
It does have an impressed makers mark see last photo, but I can not identify it
It is in great condition no imperfections that I can see
It is 4.25 inches tall and 6.75 inches from wrist to finger tip.

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All of my items are old I describe them as best I can and I also include lots of photos please study them as they form part of my description.