The ultimate answer is "yes", some coin albums can and do ruin the coins they were theoretically designed to help protect.
As others have noted, the "push-in" folder type of album has two main flaws:
- They're made of cardboard, which often has a high sulfur content, so the folders themselves can emit gases as they age which react with the coins, especially silver and bright shiny copper.
- They're not airtight, so allow exposure to the atmosphere and whatever conditions the atmosphere are like. High humidity and high sulfur content can both easily access a coin in a cardboard album.
Don't say "infinitely" when you mean "very"; otherwise, you'll have no word left when you want to talk about something really infinite. - C. S. Lewis
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Posted 03/27/2019 09:51 am
