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not just any left hand might I remind you sir. a very rare and one of a kind left hand.It's a left hand holding a broken jar.
Looks like it was thrown on a wheel. Is the roundness about perfect?
Alright enough lurking, finally something I can possibly help with.
Pretty neat foot the ceramic has. Yall above are correct it looks perfectly round.
Some questions though, can you see any temper? Grit, sand, other ceramics etc? Size of the temper?
Also from the picture it appears as though there is a slip applied to the piece (based on the orangeness of the temper opposed to the more crime colored outside). Is it painted? It is hard to tell what is exposure and what is actually part of the original ceramic from this photograph.
Based on some of these diagnostic attributes we can probably greatly narrow down what this piece is.
Its thickness is also indicative of what it could possibly be. About how many mm's thick is it?
Also, upon second glance, your second photograph, there is a large white blob in the temper. Is that from exposure or is it a shell?