the finish is several coats of polyurethane.

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<br>tan wood is red oak, red wood is padauk, dark wood is zircote
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<br>Starting with the yellow wood in the front left, there is yellowheart, a thin piece of purpleheart, walnut, another thin piece of purpleheart, maple veneer, mahogany, padauk, osage orange, and a big piece of kingwood.  The base is red oak.