This will have a partial surface exposed which can be worked like antler or stag horn. In this case you may choose to include the natural edge in your finished work - or not. I put the edge right on the edge for a really cool look. Note the lack of any flaw in the cambium - not an easy trick and extra nice.
 
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#6613

Black Mulga Handle Block
Acacia citrinoviridis
[.99 x 2.3 x 5.4"]
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Birdseye Curly Figure
Hard Stable Wood
Hard Sapwood
Ironwood
Natural/Birdseye Edge
Old Dry Wood
Wide & Long
Flawless Top Grade