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<p>[QUOTE=&quot;Insider, post: 2714259, member: 24314&quot;]<img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie11" alt=":rolleyes:" unselectable="on" unselectable="on" /> IMHO, we are making something that is <span style="color: rgb(179, 0, 179)">very simple to understand </span>into a mystery for the ages.</p><p><br /></p><p>Melt some vanilla ice crème in a baking dish.&nbsp; Pour some Hershey syrup on it and stir it until there are still obvious swirls of different sizes.&nbsp; Freeze it.&nbsp; <span style="color: rgb(179, 0, 179)">That&#039;s the ingot.</span></p><p><br /></p><p><span style="color: rgb(0, 0, 0)">While frozen cut out some long chunks and let it start to soften.&nbsp; Before it gets too soft, mash it with a large board.&nbsp; That is the thinner strip - still with the swirls of dark chocolate.&nbsp; Now, look at it.&nbsp; Some of the swirls are sharp and some have started to blend into the white an have lightened.&nbsp; Some are only on the surface or 1/8 inch deep and other streaks go all the way through to the other side (coins are found like this).&nbsp; <span style="color: rgb(179, 0, 179)">That&#039;s the strip</span>.</span></p><p><span style="color: rgb(0, 0, 0)"><br /></span></p><p><span style="color: rgb(0, 0, 0)">The streaks in hardened metal are set for our purposes.&nbsp; They don&#039;t move around anymore but during hot rolling they may stretch and change position in the strip.</span></p><p><br /></p><p>Different metals used in cents react differently to acids.&nbsp; The depth of the etching on the OP coin depended on the resistance (hardness) of the metal, the strength of the chemical (acid?) and the time it remained on the coin&#039;s surface.&nbsp; <span style="color: rgb(179, 0, 179)">It is that simple.</span></p><p><br /></p><p>Ever notice that the swirl pattern on some woodies looks just like the swirl pattern made in the paint pan used to &quot;marble&quot; paper?&nbsp; Woodies are made by incomplete mixing of the metals.&nbsp; <span style="color: rgb(179, 0, 179)">It is that simple</span>.</p><p><br /></p><p>They are vary rare after a certain date which is (?).&nbsp; This should be fairly easy to determine: &quot;Post your oldest woody and your newest.&quot;&nbsp; From what I have seen, Large cents are rare, Indian cents are scarce, Lincoln cents&nbsp; - pre 40&#039;s are more common.&nbsp; After that rare again. </p><p><br /></p><p>The Indian cent I posted with the crystals is a totally different animal.&nbsp; That&#039;s a cooling thing.[/QUOTE]</p><p><br /></p>

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