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What makes the coin dull?

Updated: 9/24/2023
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10y ago

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Oxidization and general 'wear & tear'. Coins contain copper - which reacts with the air, making the coin dull. Additionally, grease and dirt from people handling the coins contributes to their dull appearance. Newly-minted coins are bright & shiny.

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10y ago
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Q: What makes the coin dull?
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