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<p>[QUOTE="GDJMSP, post: 1357903, member: 112"]Woods, oak in particular, puts off gasses that are harmful to coins. This is very well known and documented. Even hundreds of years ago they knew it. Which is why coin cabinets are always made out of mahogany, mahogany is the least damaging wood there is to coins.</p><p><br /></p><p>Felt, velvet, basically all materials/cloths, can also cause similar damage due to the chemicals and dies used in making and coloring the material.</p><p><br /></p><p>I suspect damage is being done to your coins, you just aren't noticing it because it occurs slowly. And minor changes are very hard to notice with the human eye when you look at something many times over a period of time because the mind tends to recall the most recent image, not the original image.</p><p><br /></p><p>Had you put the coins away originally and not looked at them at all, then looked at them 10 years later, you almost certainly would notice the differences.[/QUOTE]</p><p><br /></p>
[QUOTE="GDJMSP, post: 1357903, member: 112"]Woods, oak in particular, puts off gasses that are harmful to coins. This is very well known and documented. Even hundreds of years ago they knew it. Which is why coin cabinets are always made out of mahogany, mahogany is the least damaging wood there is to coins. Felt, velvet, basically all materials/cloths, can also cause similar damage due to the chemicals and dies used in making and coloring the material. I suspect damage is being done to your coins, you just aren't noticing it because it occurs slowly. And minor changes are very hard to notice with the human eye when you look at something many times over a period of time because the mind tends to recall the most recent image, not the original image. Had you put the coins away originally and not looked at them at all, then looked at them 10 years later, you almost certainly would notice the differences.[/QUOTE]
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