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2nd May 2017, 11:53 PM
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#3 |
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EAAF Staff
Join Date: Dec 2004
Location: Louisville, KY
Posts: 7,346
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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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