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All Forums Category: General Numismatic Forums Forum: Main Coin Forum

Fog? Inside A Slab Question

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recollector
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Canada
191 Posts
 Posted 08/09/2023  10:15 am Show Profile   Bookmark this topic Add recollector to your friends list Get a Link to this Message Number of Subscribers
I have a slabbed penny and one side seems to have some slight white fog inside, which is visible when the slab is at an angle. I'm not sure if its fog or not. But the surface of the plastic appears to be undamaged. I stay in a fairly humid environment. I dont think it was like that when I bought it. Any idea what it could be and how to get rid of it?


Fog?-Inside-A-Slab-Question
Fog?-Inside-A-Slab-Question
Fog?-Inside-A-Slab-Question
Spence
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United States
34458 Posts
 Posted 08/09/2023  10:49 am  Show Profile   Bookmark this reply Add Spence to your friends list Get a Link to this Reply
I would seal this (and all of my other slabs) in a big Ziploc bag with a container of desiccant. Moving forward, you should plan to limit the humidity of your coin storage system.
"If you climb a good tree, you get a push."
-----Ghanaian proverb

"The danger we all now face is distinguishing between what is authentic and what is performed."
-----King Adz
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sel_69l
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Australia
21788 Posts
 Posted 08/09/2023  11:15 am  Show Profile   Bookmark this reply Add sel_69l to your friends list Get a Link to this Reply
If it is moisture, leave it on a window sill, in the sun for a while.

Spence has some good ideas on how to prevent the fog re appearing.
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