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<p>[QUOTE="kanga, post: 599890, member: 9270"]Yes. The cartwheel effect is a result of minute ridges caused by metal flow radiating from a coin's center as the metal is pushed out to the collar during striking.</p><p>They are often so delicate that any polishing removes them.</p><p> </p><p>Over dipping will cause the same problem because the oxidized metal on a coin's surface is <u>removed</u> and that affects the most delicate features the most.[/QUOTE]</p><p><br /></p>
[QUOTE="kanga, post: 599890, member: 9270"]Yes. The cartwheel effect is a result of minute ridges caused by metal flow radiating from a coin's center as the metal is pushed out to the collar during striking. They are often so delicate that any polishing removes them. Over dipping will cause the same problem because the oxidized metal on a coin's surface is [U]removed[/U] and that affects the most delicate features the most.[/QUOTE]
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