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What Is Proof Coin? How Are They Graded?

By Barry Stidham
Aug 5, 2024
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What Is Proof Coin? A proof coin is a rare, uncirculated coin that a mint has specially created each year. How are they graded? Well, let's explore more in this article.

What Is Proof Coin?

Proof coins are made for the numismatic, collector, or other special occasion use. They are not coins intended for general circulation.

How are proof coins handled and stored?

It's critical to understand that proof coins are not meant for general circulation or use. They are meant for numismatists or coin collectors. Since they are uncirculated and were meant to be that way, these coins shouldn't normally show signs of wear.

That means there will be no handling or bag marks and few, if any, nick or other abrasions like you always see on every day pocket change.

Additionally, modern proof coins are packaged in protective carriers. The fact that the proofs are sonically sealed at the Mint and placed into the holders to help preserve their condition is more important than the holders themselves.

Although proof coins enjoy optimal care, handling and storage, that doesn't mean they'll always be free from toning, spotting or distortion. They can be harmed by exposure to air and moisture, just like any other coin, in that regard.

You might be curious as to how coins that are sonically sealed inside of plastic holders or containers might become discoloured. A sonic seal is unlike a vacuum seal. It does not stop air from getting to the coin, which can lead to oxidation and the toning, spotting, or other discoloration that results.

How Proof Coins Are Graded

First off, it's crucial to understand that "proof" does not refer to a coin's quality or condition. It simply explains the production process for coins. Some people might find that confusing because a proof coin suggests a particular level of "near perfection" due to the manufacturing process.

Proofs are classified with a "PF" designation. (Occasionally, "PR" will be used in place of "PF. Both words mean "proof.") The numerical level indicators are similar to coin grades. And like them, it can be anywhere between 70 and 1. Some of the most popular grades are listed below:

The best coin strikes and perfection are both PF-70.

PF-65 is sometimes called "Gem Proof". A coin with a PF-65 grade can have a few obvious hairline scratches. The coin will strike with a better-than-average strike.

There will be numerous hairline marks on PF-63, often known as "Choice Proof". The coin strike might not be "full."

PF-60 is the lowest grade on the "main" proof totem pole. At this grade, the coin will have many marks, its strike might not be "full," and it will always be less visually appealing.

Naturally, there are situations in which a proof coin may be handled incorrectly, such as when it is cleaned or circulated. If this occurs, the proof coin will still be designated "PF," but it will have a lesser numerical value.

If the coin isn't so badly worn that it is impossible to discern that it was ever a proof. When that happens, it will be given a circulated grade along with their designations.

Although, PF-70 was once considered rare to the point of nonexistent, technological improvements at the US Mint has changed the landscape significantly in recent years. The price premiums and high demand for PF-70 coins are huge, yet they are now much more accessible than in previous years.

What Is Proof Coin? How Are They Graded? - Hopefully, this article can help you to understand it better.

Disclaimer: The information on this page may have been obtained from third parties and does not necessarily reflect the views or opinions of BitKan. This content is provided for general informational purposes only, without any representation or warranty of any kind, nor shall it be construed as financial or investment advice. BitKan shall not be liable for any errors or omissions, or for any outcomes resulting from the use of this information. Investments in digital assets can be risky. Please carefully evaluate the risks of a product and your risk tolerance based on your own financial circumstances. Products mentioned in this article may not be available in your region.

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