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<p>[QUOTE=&quot;GDJMSP, post: 1518203, member: 112&quot;]Amanda - the very definition of oxidation is the interaction of other substances with oxygen. But you are correct that coins can tone even without oxygen being present because the metal will react/tone with other gasses as well.</p><p><br /></p><p>But that is not the point. The point is that if you restrict the flow of air, which is what we are talking about since all coins are stored in air, then you slow down the toning process. If there was no air that could get to the coins, then the coins would not tone at all. But we can&#039;t do that because the average person does not have access to truly airtight containers. So, the best idea is to restrict the amount of air that can get to the coins. Especially since it not just the basic gasses like oxygen and nitrogen etc in air, it is also the contaminants that the air contains that cause toning and damage to the coins.</p><p><br /></p><p>Your comment of having unintended consequences by restricting the flow of air does not apply if proper storage procedures are followed because with proper storage there are no reactive materials stored with the coins. That is a given, it is the entire point, the definition, of proper storage.</p><p><br /></p><p>Your suggestion of using a wood container for coin storage is an absolutely terrible idea. All woods put off gases that are harmful to coins. That is why people, for the most part, quit using coin cabinets a decades ago. And even several centuries ago collectors were aware of the problems with wood and coins, or any metal for that matter. Which is why most coin cabinets were built using mahogany which is the wood that puts off the least amount of gasses.</p><p><br /></p><p>Your idea of using flips, even mylar flips is also a terrible idea. Mylar flips can scratch and hairline coins when they put in or taken out of the flips. Flips of any kind also cause rub on the coins because the coins slide around inside the flips. These things are well known and documented.</p><p><br /></p><p>You can choose to believe these things or not, that is up to you. But if what you have related above is what you were taught, then you need to go back to school. And somebody needs to educate your teachers.[/QUOTE]</p><p><br /></p>

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