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After just a little lapping with some sandpaper on the back of a DMT, it quickly revealed what was underneath the dirt and oil... can't say that I wasn't ecstatic.
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I saw the unusual shape, dimensions (9 3/8L x 1 1/2W), and the mention of a barber's estate in the description, so I figured I'd roll the dice. See if you can guess what it is in the before...