Dip is generally an acid combined with thiourea. Water is better for dislodging those than acetone would be. If the coin starts to discolor after...
That's... actually a really interesting question! It's still an uppercase U (it's the same size as the other letters), but the typeface has an...
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Here's why coins are a terrible investment. Think about where you go to buy your coins. Is it a dealer? How does that dealer make enough money to...
There are copies, there are restrikes (sometimes by an official mint), there are overstrikes (striking a new design on part or all of an existing...
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