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<p>[QUOTE="Vitagen, post: 288025, member: 10636"]Someone with moderate knowledge in tools could have locked the coin in place with a rubber edge vice and sanded it down with a cylindrical sand bit for a drill press. That could explain the perfect accuracy of the circles and the smoothed off backside.</p><p><br /></p><p>Still, you may be able to accomplish that with just a power-drill as well, but you'd have to have a very steady arm and sharp accuracy in aim.</p><p><br /></p><p>The sand bit didn't quite rub the edge with as much friction, which is normal, and some letters remained.</p><p><br /></p><p>Might have been part of metal sculpture & someone wanted to speed things up by sanding some coins down...and there was an extra left over.[/QUOTE]</p><p><br /></p>
[QUOTE="Vitagen, post: 288025, member: 10636"]Someone with moderate knowledge in tools could have locked the coin in place with a rubber edge vice and sanded it down with a cylindrical sand bit for a drill press. That could explain the perfect accuracy of the circles and the smoothed off backside. Still, you may be able to accomplish that with just a power-drill as well, but you'd have to have a very steady arm and sharp accuracy in aim. The sand bit didn't quite rub the edge with as much friction, which is normal, and some letters remained. Might have been part of metal sculpture & someone wanted to speed things up by sanding some coins down...and there was an extra left over.[/QUOTE]
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