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<p>[QUOTE=&quot;PlanoSteve, post: 3448807, member: 91609&quot;]If a coin is scratched (say you took a key, or sharp object, &amp; ran it across the coin) it would dig &quot;into&quot; the coin, likely removing or rearranging the metal.</p><p><br /></p><p>On the other hand, a &quot;die crack&quot; is <u>in the die</u>, so when the coin is struck, metal is pushed up, into the crack in the die, leaving a &quot;raised&quot; ridge on the coin.&nbsp; </p><p><br /></p><p>I&#039;ve found the easiest way to observe this difference is not to look straight on, but at an angle, with a light source at an angle also.&nbsp; The difference then becomes easy to recognize.[/QUOTE]</p><p><br /></p>

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