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Dont worry about oxidize you will be dead before that happen.

I dont do anything really. I keep em in a couple places that are fairly climate controlled, doesn't get too hot or too cold. Some will spot but I've had some .999 fine silver coins for 17+ years that haven't. It's a crap shoot. RCM is the worst for the spotting but I still buy em. I know some ppl have silica packs and stuff to keep with their items to keep moisture away but it's not a 100% cure. Others I know even vacuumed sealed them but they still got milk spots. Gold is more hardy but it does get red copper spots too haha Were never safe! 😱

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