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How should I store my zinc Lincoln cents?
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<p>[QUOTE="Conder101, post: 3165033, member: 66"]One thing to add to what jeffb said, check them every few months and make sure the silica gel isn't saturated (If the box is well sealed that shouldn't happen for a long time. Us an indicating gel so you can tell, preferably without having to open the box.)</p><p><br /></p><p>The key will be to get the humidity as low as you can and keep it there. Most toning or corrosion reactions are oxidation reduction reactions and they require water to proceed. Eliminate the water the reaction greatly slows or stops. Water vapor in the air is enough to allow the reactions so the dryer the air the slower the process.</p><p><br /></p><p>You could also put the tubes inside a sealable bag before you put them in the box. The more barriers between the air and humidity and the coins the better. Defense in depth.[/QUOTE]</p><p><br /></p>
[QUOTE="Conder101, post: 3165033, member: 66"]One thing to add to what jeffb said, check them every few months and make sure the silica gel isn't saturated (If the box is well sealed that shouldn't happen for a long time. Us an indicating gel so you can tell, preferably without having to open the box.) The key will be to get the humidity as low as you can and keep it there. Most toning or corrosion reactions are oxidation reduction reactions and they require water to proceed. Eliminate the water the reaction greatly slows or stops. Water vapor in the air is enough to allow the reactions so the dryer the air the slower the process. You could also put the tubes inside a sealable bag before you put them in the box. The more barriers between the air and humidity and the coins the better. Defense in depth.[/QUOTE]
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