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<p>[QUOTE=&quot;GDJMSP, post: 2677220, member: 112&quot;]And most others think that as well. But - that aint exactly the way it is.</p><p><br /></p><p>Books is telling you - &quot;wear can cause the loss of metal&quot;. Well, the key word in that sentence is CAN, and I suspect Books worded it that way quite intentionally. And he is also quite correct - it &quot;can&quot; cause a loss of metal. But that is not the same thing as saying - it <u>does</u> cause a loss of metal.</p><p><br /></p><p>Here&#039;s the explanation. With almost any coin, regardless of composition or type, the first and middle stages of wear DO NOT cause a loss of metal. It is only when coins are worn to the point of VG grade, and often not until they have reached G grade, or lower that they lose enough metal due to wear to take the coins out of mint tolerance.</p><p><br /></p><p>What you have to understand is this. When a coin is made it has a given weight that has been established by design. And there is a tolerance for that weight, a range if you will. That tolerance range differs with each coin type, but each one has its own. As a rough rule of thumb that tolerance is about 1%. So when brand new and freshly minted every coin of a given type will weigh within 1%, plus or minus, of its design specified weight.</p><p><br /></p><p>What that means is you can take a coin that is fairly graded at F, weigh that coin, and it will be within 1% of its original design weight. In other words it will not have lost any weight, at least not that can be proven because of the tolerance range.</p><p><br /></p><p>That is why wear &quot;can&quot; cause a loss of metal. But it will not until the wear has reached its extreme stages.[/QUOTE]</p><p><br /></p>

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