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<p>[QUOTE=&quot;Insider, post: 8269009, member: 24314&quot;]<img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie11" alt=":rolleyes:" unselectable="on" unselectable="on" />&nbsp; What a <span style="color: #663300">way</span> to start the morning. <b><span style="color: #0000b3">VERY SAD.</span></b> <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie23" alt=":bigtears:" unselectable="on" unselectable="on" /> Now I know exactly why some numismatists I have tried to get to join chat forums don&#039;t bother.&nbsp; <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie3" alt=":(" unselectable="on" unselectable="on" />Unfortunately, it appears that the public education system in this country is completely broken and has been completely broken for several decades.</p><p><br /></p><p><img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie79" alt=":rage:" unselectable="on" unselectable="on" /><img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie79" alt=":rage:" unselectable="on" unselectable="on" /><img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie79" alt=":rage:" unselectable="on" unselectable="on" /><img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie79" alt=":rage:" unselectable="on" unselectable="on" /><img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie79" alt=":rage:" unselectable="on" unselectable="on" /><img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie79" alt=":rage:" unselectable="on" unselectable="on" /><img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie79" alt=":rage:" unselectable="on" unselectable="on" /> READ MY Frigin posts!!!!!!!!!!!!!!! </p><p><br /></p><p>Tamaracian, posted: &quot;...Casual or accidental handling of a coin is not &quot;thumbing&quot;,[<span style="color: rgb(179, 0, 0)"><i><b>Dah, NO FOOLING.&nbsp; </b>I though thumbing was explained very well above by you; however, just reading it again. it could have been better. I should have replied then.</i></span>] but it can and does frequently leave hairline scratches [<i><span style="color: #b30000">only if done by a <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie30" alt=":bucktooth:" unselectable="on" unselectable="on" /> &quot;rookie&quot; who shouldn&#039;t be touching a coin</span></i>] (and other <b><font size="5">residue</font></b> [<span style="color: #b30000"><b><i>exactly why coins are thumbed]</i></b></span>) on the surface--especially in the fields--as exemplified by many proof coins that have no wear but do have hairlines and have been downgraded accordingly. [<i><span style="color: #b30000">Virtually ALL thumbing is done to MS coins.&nbsp; Any <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie30" alt=":bucktooth:" unselectable="on" unselectable="on" /> fool who thumbs a Proof coin any place besides its relief is IGNORANT!</span>] </i></p><p><br /></p><p>My description of &#039;thumbing&quot; does indicate that to achieve the alteration one does have to intentionally work the coin with pressure over some period of time, and yes, this action can and does move some metal, which may require the use of magnification to see if only minimal effort had been applied, but is readily apparent to the unaided eye if it has been done repeatedly. [<i><span style="color: #b30000"><b>WARNING</b>: The technique expressed here - makes me cringe - and is NOT TO BE FOLLOWED.&nbsp; I also mentioned that someone would be moving metal atoms around and claim it would be visible.&nbsp; Heck, with the <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie98" alt=":wacky:" unselectable="on" unselectable="on" /> method described above ...</span></i>] Examples of this are coins that have been carried as a &quot;lucky piece&quot; in one&#039;s pocket and thumbed</p><p>[<img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie11" alt=":rolleyes:" unselectable="on" unselectable="on" /><img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie46" alt=":facepalm:" unselectable="on" unselectable="on" /><i><span style="color: #b30000"> Actually, a much better description is RUBBED.&nbsp; It is not &quot;thumbing&quot; which is a method of surface alteration.</span></i>]&nbsp; it is called on occasion to pass the time or as a nervous habit instead of say smoking; also, frequently older coins or flat, coin-like jewelry suspended in a pendant&nbsp; or watch fob have been &quot;thumbed&quot; in the same manner.</p><p><br /></p><p>If you still think that &quot;thumbing&quot; can&#039;t really move metal try this test:&nbsp; (1) take a pre-1982 low-value Uncirculated Lincoln Cent that is Red and take a photo of both sides.&nbsp; (2) using fresh cotton gloves rub the coin (i.e. &quot;thumbing&quot;) applying significant pressure for about 20-30 seconds on each side.&nbsp; (3) put the coin down and observe that the gloves will have oxidized bronze (or brass, depending upon the year of issue) residue on primarily the Thumb, and also the Forefinger.&nbsp; (4) observe the coin first with your unaided eyes, then compare it to the before photos, and also observe with a 5-8x loupe or other device--you will see a pattern of area where the pressure was applied that will be observably different from the before photos, such as more hot-pinkish and reflective.</p><p><br /></p><p><img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie52" alt=":hilarious:" unselectable="on" unselectable="on" /><img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie52" alt=":hilarious:" unselectable="on" unselectable="on" /><img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie52" alt=":hilarious:" unselectable="on" unselectable="on" /><img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie52" alt=":hilarious:" unselectable="on" unselectable="on" /> <b><i><span style="color: #b30000">I thought this thread was about &quot;thumbing.&quot;&nbsp; I suggest the experiment you are doing to buff up the surface of a copper coin to CYA would be much better if you used BRASSO on your cotton glove! <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie8" alt=":D" unselectable="on" unselectable="on" /></span></i></b></p><p><br /></p><p>The topic of &quot;thumbing&quot; or &quot;thumbed&quot; has been discussed in this and other coin forums, as-well-as in several coin publications/books.&nbsp; [<i><span style="color: #b30000"><b>I agree SO I highly suggest you delete your post so I can also delete my reply.&nbsp; IMO, neither is very helpful.]</b></span></i>[/QUOTE]</p><p><br /></p>

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