Hey, new marketing idea: sell 'toned' holders! Coins stay white and clean! I could buy those coin world ones and sell them for 10x current value once I put colors on the inside plastic surface! Brilliant!
One interesting thing about toning and coins is that other (usually paper-based) collectibles *decline* in value when they change color as they age. With stamps, comics, books and sports cards, when the white begins to yellow -- much as a "blast white" coin slowly change to toned color over time -- they tend to LOSE value.
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Coins stay white and clean! I could buy those coin world ones and sell them for 10x current value once I put colors on the inside plastic surface!
Brilliant!
Oh... I see the money rolling in.
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