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<p>[QUOTE=&quot;bernard55, post: 8061336, member: 114733&quot;]I am also referencing <a href="https://www.cointalk.com/threads/1733-rosa-americana-two-pence.232590/" class="internalLink ProxyLink" data-proxy-href="https://www.cointalk.com/threads/1733-rosa-americana-two-pence.232590/">this post</a> from a while back--I&#039;m not quite sure if a ring test is really all that appropriate. I&#039;m thinking I should let a TPG do that if I can determine if it&#039;s not a replica from the last 30 years... </p><p><br /></p><p>&quot;Here are a few additional tests you can do yourself in order to detect if yours is a replica (most were made by casting or electrotyping).</p><p><br /></p><p>Weighing the coin is a great place to start. An authentic one weighs between 17 and 18 grams.</p><p><br /></p><p>Cast copies and many electrotypes have a seam along the outer edge. Also as with casts, electrotypes generally will not &quot;ring.&quot; A ring test often is used on coins to determine whether a coin is solid and struck. When it is balanced on the tip of a finger and struck softly with a pen or pencil, a genuine coin usually will produce a high-pitched ring. Most electrotypes and cast copies will merely &quot;thud&quot; or &quot;clunk.&quot; Since these pieces are not actually struck, they have relatively little solidity.&quot;[/QUOTE]</p><p><br /></p>

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