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Old 2nd May 2017, 10:53 PM   #3
Battara
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Join Date: Dec 2004
Location: Louisville, KY
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If the top part was polished bright and then you give it a light etch, it would indeed not darken as much as the bottom part.

The idea that there is differential heat treatment is possible, but I think less likely.

Great piece in any case!
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