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<p>[QUOTE=&quot;Mikjo0, post: 115512, member: 3565&quot;]Doug,</p><p>I think I found what causes this effect.The denticles on this coin type,rather than being square peg or trapezoids like on most coins, are shaped like ski slopes,curving slightly from the edge of the coin to the tip.</p><p>This causes light to reflect off of them in two places so as you move from center the edges appear skewed.</p><p>You can see another phenomena caused by this curved shape if you look at the top denticles on the large sideways closeup.It looks like there are two distinct rows of denticles because the top and bottom of the slope catch the light.Then look at how they dont line up but are staggered like bricks.Mystery solved.</p><p>As for the live and learn,You&#039;ve probably forgotten more than most of us will learn,thanks!:bow:[/QUOTE]</p><p><br /></p>

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