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<p>[QUOTE=&quot;GDJMSP, post: 1840137, member: 112&quot;]Yes, it is. Coins change in the slab, that&#039;s a fact of life. Copper coins that were graded Red, turn Red Brown or even Brown. Bullion coins, modern commems, modern Proofs, even some modern business strikes, can develop spots and discoloration after they are slabbed. And some of them even have those spots or discoloration <u>when</u> they are slabbed. </p><p><br /></p><p>Why and how does any of this happen ? There&#039;s a couple different reasons. Improper storage is one, few collectors store their coins properly. Milk spots ? Nobody knows for sure what causes them, only that they happen. And they can show up before the coins are sold by the mint or even years later. </p><p><br /></p><p>Discoloration ? Many who submit coins for grading rinse them in products like MS70 or acetone before they submit them for grading hoping this will help get the coin graded a 70 instead of a 69, and sometimes it works. But if they don&#039;t do everything just right or change their rinse solution as they should, the coins will sometimes discolor or get spots later - after they are slabbed.</p><p><br /></p><p>And it is not just modern coins that are affected either. Things like this happen to older coins as well. The phrase used is - turn in the slab. And it&#039;s not just rinsing the coins in acetone or MS70 that does it. Improper dipping can cause it as well. </p><p><br /></p><p>It is these kind of things happening that make discriminating collectors shy away from blast white older coins and many moderns. They&#039;ve been around long enough to see these things happen and are aware of it. So they only buy coins that have original surfaces, coins that have not been messed with because they know that if they store those coins properly then they will not turn in the slab and they will not be disappointed down the road.</p><p><br /></p><p>It&#039;s just another lesson that many have to learn.[/QUOTE]</p><p><br /></p>

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