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<p>[QUOTE=&quot;Lehigh96, post: 551311, member: 15309&quot;]Dipping a coin removes the layer of silver sulfide (toning) from the surface of a silver coin.&nbsp; As a result, a toned coin can be transformed back into a blast white coin that appears much like the coin looked when it was first minted.&nbsp; The problem with dipping is that if the coin is over dipped (too long) or repeatedly dipped, the dip can remove the metal flow lines created during the minting process from the surface of the coin.&nbsp; It is these flow lines that create the luster of a coin.&nbsp; Without them, the dipped white coin will have a flat, lusterless, washed out appearance.</p><p><br /></p><p>Personally, I rarely ever recommend dipping a coin because I find much pleasure in the originality of toning.&nbsp; However, there are times that a hideously toned coin would benefit from being dipped.&nbsp; Please see the photographs below.&nbsp; Some collectors would find the toning on the first coin so distracting that they would dip the coin to make it look like the second photo.</p><p><br /></p><p style="text-align: left"><font size="5"><span style="color: Blue">Before Dip (Toned)</span></font></p> <p style="text-align: left"><br /></p><p><img src="http://i117.photobucket.com/albums/o59/ACPitBoss/Standing%20Liberty%20Quarters/SLQ.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><br /></p><p><br /></p><p style="text-align: left"><font size="5"><span style="color: Blue">After Dip (Blast White)</span></font></p> <p style="text-align: left"><font size="5"><span style="color: Blue"><br /></span></font></p><p><img src="http://i117.photobucket.com/albums/o59/ACPitBoss/Standing%20Liberty%20Quarters/SLQ1917T1NGCAU58.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><br /></p><p>Now of course these are not the same exact coin, the first is an MS66 1924-D (photos courtesy of Heritage) and the second is a dipped AU58 1924 but it does illustrate the point.</p><p><br /></p><p>I have never dipped a coin in my life and will never.&nbsp; Therefore I will let someone else tell you the chemical that is used in the dipping process.[/QUOTE]</p><p><br /></p>

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