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US Mint packaging update 7 year mark
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<p>[QUOTE="Vess1, post: 24485591, member: 13650"]Well a friend of mine was recently looking to purchase the 2015 dimes from the March of Dimes set. He said it’s amazing how many have a brown toning to them now. I wonder what’s causing that? So I told him I bought that set that year and had it stashed away in a climate controlled place. </p><p><br /></p><p> I took my set out today to examine out of curiosity. </p><p><br /></p><p> [ATTACH=full]1549954[/ATTACH][ATTACH=full]1549955[/ATTACH] </p><p><br /></p><p> As you can see, mainly where the backing of the velvet flap has been resting on the what I would call “pot metal” underneath, there’s active corrosion after 7 years. So I took them out of this. No brown toning on the coins. The RP has a little hazy spot on cheek that would probably make it a 69. The other two could probably grade out at 70s. </p><p><br /></p><p> Just fyi if you have this set. I doubt any long term R&D testing goes into this stuff to see how materials will interact and they’re not going to use aluminum because it might cost a few pennies more. Its ridiculous. At least the back of the velvet holder was enclosed. I will leave them in that and store it without the clamshell.[/QUOTE]</p><p><br /></p>
[QUOTE="Vess1, post: 24485591, member: 13650"]Well a friend of mine was recently looking to purchase the 2015 dimes from the March of Dimes set. He said it’s amazing how many have a brown toning to them now. I wonder what’s causing that? So I told him I bought that set that year and had it stashed away in a climate controlled place. I took my set out today to examine out of curiosity. [ATTACH=full]1549954[/ATTACH][ATTACH=full]1549955[/ATTACH] As you can see, mainly where the backing of the velvet flap has been resting on the what I would call “pot metal” underneath, there’s active corrosion after 7 years. So I took them out of this. No brown toning on the coins. The RP has a little hazy spot on cheek that would probably make it a 69. The other two could probably grade out at 70s. Just fyi if you have this set. I doubt any long term R&D testing goes into this stuff to see how materials will interact and they’re not going to use aluminum because it might cost a few pennies more. Its ridiculous. At least the back of the velvet holder was enclosed. I will leave them in that and store it without the clamshell.[/QUOTE]
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US Mint packaging update 7 year mark
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