the finish is several coats of polyurethane.

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<img src="b107_05s.jpg" border = 0>
<img src="b107_13s.jpg" border = 0>
<br>left pic is hard maple highlight over a bloodwood base

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<img src="b107_07m.jpg" border = 0>
<br>from top: padauk, wenge, aromatic red cedar, zircote, red oak