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<p>[QUOTE=&quot;GDJMSP, post: 70005, member: 112&quot;]If it were me I would be more worried about the flips you got the coins in than I would the storage boxes. Most dealers use the PVC flips because they are cheaper. My basic rule is this - NEVER store a coin in the flip in which you receive it. If you are going to use flips at all - make sure you only use the non PVC brands. </p><p><br /></p><p>But then I never use flips to begin with - even the non PVC type have their own sets of problems. Coins are frequently scratched placing the coin into or removing it from the flip. Flips are charged with static electricity, this causes dust particles to stick to them which may then scratch or otherwise mark the coins. And the coins can easily fall out causing damage to the coin. But that is my personal choice.</p><p><br /></p><p>As to your other questions, most hard plastics do not contain PVC. But then there are different types of hard plastics too - and some do contain PVC. One way to tell, although it is not foolproof, is to smell it. If it smells like a new shower curtain, even remotely - do not use it for coin storage. If you can - check the labels on the boxes in the store to see what they are made of. If you are unsure - don&#039;t use them, it&#039;s not worth the risk.</p><p><br /></p><p>The reason for that is your other question - for no, coins do not have to be in direct contact with PVC for it to harm the coins. When PVC breaks down, it puts off a gas. And it is the gas that is harmful. It is what settles on the coin and turns to an oily film which will literally dissolve the coin.</p><p><br /></p><p>Storing coins in original boxes is not always advisable either - assuming the coins can be removed with damaging the packaging. Cardboard, like most all paper products, contains sulphur. It also typically contains various glues and resins. All of these things are harmful to coins. So if possible - remove the coins from the boxes and store them separately away from the boxes. And yes this includes all boxes &amp; paper envelopes for US Mint products.[/QUOTE]</p><p><br /></p>

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