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<p>[QUOTE=&quot;GDJMSP, post: 2760678, member: 112&quot;]LOL !&nbsp; You crack me up sometimes ! Your comments remind me of the saying commonly used - pictures or it didn&#039;t happen. Yeah right <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie11" alt=":rolleyes:" unselectable="on" unselectable="on" /></p><p><br /></p><p>What do ya want me to post pictures of Jason, silver coins with black marks on them and gold coins with black marks on them ? What in the world for ? I mean how many thousands of them have you seen ? I&#039;ve seen tens of thousands of each. So what&#039;s posting pictures of them gonna do, or prove ? Besides absolutely nothing !</p><p><br /></p><p>I mean c&#039;mon now. How much plainer could I have made it ? I said - &quot;near as I&#039;ve been able to figure&quot; - do you not know what that means ? It means I don&#039;t know this for an absolute fact, but, it&#039;s the only thing I can come up with.</p><p><br /></p><p>And then I said, straight out - no, I cannot explain how or why it happens. </p><p><br /></p><p>And you want to &quot;challenge me&quot; ? <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie11" alt=":rolleyes:" unselectable="on" unselectable="on" /></p><p><br /></p><p>It&#039;s pretty simple Jason. I&#039;ve seen, and so has everybody else, silver coins that have black marks across them, and gold coins that have black marks across them - tens of thousands of them. It is an extremely common thing. Now at the same time we&#039;ve all also seen a great many of each of those coins with streaks and scrapes across them that are gold or silver colored - that none of us have any doubt were caused by coin to coin contact while the coins were in hoppers at the mint, in bags, or whatever. And these gold and silver colored streaks all look remarkably similar, in size, shape, and frequency, to these black streaks we see all the time. Both kinds of marks come in all shapes and sizes. The only difference between them is that when they are gold or silver colored you can see the actual damage to the metal, and when they are black there is no damage to the metal. But other than that they all look pretty much the same.</p><p><br /></p><p>Now, couple that with the fact that those who have experimented with trying to get the black marks off the coins by dipping them, and end up seeing that the black marks sometimes come all the way off, and sometimes they don&#039;t come all the way off but do come partially off after dipping - and you&#039;re pretty darn sure then it&#039;s not because those black marks are &quot;bad alloy mixes&quot;. Because if they were, they wouldn&#039;t come off, or even partially come off ! </p><p><br /></p><p>And that means they have to be caused by something else, and it has to be something that happens a lot of the time, simply because there&#039;s so dang many of them. So what&#039;s that leave us with ? The black marks aren&#039;t dirt, if they were water would take them off - but it doesn&#039;t. They aren&#039;t grease because if they were acetone or xylene would take them off - but it doesn&#039;t. And those are about the only things I can think of that coins, both silver and gold, could be exposed to on a regular basis - dirt in the outside world and grease at the mint. And remember we&#039;re talking about BU coins here in most cases. You don&#039;t see these black marks on circ coins. But yeah you might see them on some AUs once in a while. So what&#039;s that leave us with that could cause these black marks on all these coins ? </p><p><br /></p><p>Like I said, near as I can figure, they are caused by coin to coin contact, because that&#039;s about the only thing there is that can happen that often to BU coins. The question is - why are the marks black ? Well, I don&#039;t know ! Which I already said - twice now. But I think it might be because it is light contact, meaning not heavy enough to cause damage to the metal and leave obvious scrapes and streaks, but still heavy enough to leave something that can be seen. Personally, I&#039;ve always assumed, and yeah I&#039;ll stress assumed, that something and I have no idea what that something is, that it only happens when like metal touches like metal, meaning gold touches gold and silver touches silver - and then only when they touch or scrape across each other very lightly. And no, I have no explanation as to why it happens that way.</p><p><br /></p><p>But what got me thinking along those lines was because sometimes when take multiple pictures of coins that have obvious coin to coin contact scrapes and or streaks across them, sometimes those marks look gold or silver colored, and sometimes they look black - on the same exact coin ! It&#039;s all a trick of the light in those cases - happens purely because of the angles. Kinda like the black and white contrast happens with pic of cameos. In the picture the coin looks black and white. But we all know, with absolute certainty that the coin isn&#039;t black and white, it&#039;s silver. It&#039;s just a trick of the light, nothing more.</p><p><br /></p><p>So I kinda thought to myself, maybe, just maybe, these black marks that we always see are caused by very light contact of like to like metal. And no, they&#039;re not a trick of the light, we all know that because no matter what angle you look at them from they are black. </p><p><br /></p><p>Now is that crazy ? Yeah maybe it is. But I couldn&#039;t come up with anything else, I mean there&#039;s no other reason or cause I could think of, given what I know of these black marks, as I&#039;ve explained above. I know what they are NOT, but no, I do not know what they are. It&#039;s pure conjecture on my part.</p><p><br /></p><p>Could I be wrong ? Hell yes ! But then I said that to start with, didn&#039;t I.[/QUOTE]</p><p><br /></p>

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