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<p>[QUOTE=&quot;the_highlander, post: 31845, member: 1592&quot;]i have both the cartwheel 2 pence and penny,very nice coins they are too.</p><p><br /></p><p>the cartwheel the seller means on the morgan though is the effect you get from mint luster on a au+ coin</p><p><br /></p><p>if you hold the coin by the edge with 3 fingers noving the mingers up and down slowly under a light so one end then another of the coin is raised higher, you will see a strip of reflective light on the coin and as you move it in your fingers under the light, this strip will spin around the coin.</p><p><br /></p><p>if the luster is unbroken it will be a constant line giving the so called cart wheel effect.guess it comes from the fact the spokes on a cartwheel when moving very fast on a axle will apear stationary.</p><p><br /></p><p>unbroken cartwheel effect is atritubed to unbroken mint luster reflecting the light on the coin, a coin without luster will not reflect light to give this affect.still even coins with broken luster will appear to cartwheel so its obviously not a 100% way of determining grade by any means, but it can help to determine if its been cleaned.[/QUOTE]</p><p><br /></p>

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