A RARE dime has sold for nearly $5,000 due to one specific factor - its missing mintmark.
This particular rare coin is what's known as a proof coin, which can be determined because of its surface.

They often have a mirror-like reflective surface and are typically struck using a high-quality minting process.
Proofs are early samples of a coin issue made for archival purposes and for checking dies.
Much like this 1983 dime, they can be extremely valuable if you can get your hands on one.
However, this is not the reason why the coin is rare, it's because of the missing "S" mintmark, indicating it was minted in San Fransisco.
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The tip comes from a collector called TreasureTown on TikTok.
He recently posted a video discussing the error.
"Dimes from 1983, especially proof dimes, should have an 'S' mintmark right there - this one doesn't," he said on the video.
THE 1983 PROOF DIME
The coin he was discussing sold for $4,800 last December and was listed as a 1983 10C No S PR70 Deep Cameo.
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The No S refers to the error - missing mintmark - and the PR70 Deep Cameo is the score.
Since coins are assigned a whole number between 1 and 70, this particular dime was given a perfect score, adding to its value.
Third-party professional coin graders like Numismatic Guaranty Company use Cameo and Ultra Cameo (or Deep Cameo) designations after the numeric grade.
This describes the degree of frost present on the design elements of the coin.
If there is little or no frost, then no designation will be used.
Since this was Deep Cameo and considered the highest grade, it sold for a high price.
HOW TO SPOT RARE COINS
Make sure to check your spare change for any rare pennies, nickels, dimes, and other coins as many of them could sell for thousands.
Typically, the most valuable coins are ones with a low mintage or an error, as collectors find those coins are some of the rarest.
Additionally, coin experts will pay top dollar if they are also well-struck.
A great website to check if your coins are worth anything is eBay.
You just need to search the full coin name, select the "sold" listing and then toggle the search to "highest value.”
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If your coin has an ‘ultra cameo’ detail, it may be worth thousands.
Plus, another rare dime sold for $10,700 after being minted over a century ago.
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