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<p>[QUOTE=&quot;desertgem, post: 2985443, member: 15199&quot;]This is one of those answers that hard to give as all of us do not have the same environment. How much moisture is in our house, are the tube tight or not. When I test a seal or capsule, I put food coloring inside a test sample ( no coin) and seal it. If I can hold it upside down and shake ( not like a ice drink shaker), and no color leaks, it is safe enough for air storage. Close to air tight will prevent problems. If they are all valuable circulated ( like a tube of 1922 D) then I would then put the tube in a zip lock bag and seal it with as little air as possible. The rims tend to prevent the devices of the coins from interacting, so I have never had any problems. Yes I have some in old tubes for 40+years, seldom opened, but when checked no problems. If some of the coins have green or blue on them, one can rinse them in acetone and let them air dry first. This will remove any active corrosion agents that are organic. Jim[/QUOTE]</p><p><br /></p>

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