The Ultimate Guide To Coin Errors and Collecting Them!

What exactly are error Coins?

Coin errors, also known as error coins or misprinted coins, are the result of mistakes made during the minting process. These errors can range from minor to severe, and each one is unique. The world of coin errors is vast and varied. It includes die errors, striking errors, and planchet errors, each with its own set of subcategories.

Understanding these different types of coin errors is crucial for identification. It’s the first step in recognizing the potential value of an unusual coin.

But why are coin errors valuable?

The value of an error coin is determined by its rarity, demand, and the type of error. Some error coins are more valuable due to their rarity and the severity of the error. This guide aims to help you navigate the world of error Coins. It will provide you with the knowledge to identify valuable coin errors and understand their significance in the numismatic world.

Understanding Coin Errors: An Overview

Coin errors are some of the most interesting collectible coins you could find, and are mainly what you're looking for when checking change or Coin roll hunting. Here are multiple examples across different denominations.

Coin errors can be both fascinating and valuable. They offer a glimpse into the complexities of the minting process. Identifying coin errors requires a keen eye and a little knowledge. Each coin tells a story of its creation, and errors can enhance that narrative.

There are several types of coin errors that collectors should be aware of. These errors can be categorized into three main groups:

  • Planchet Errors: Related to the blank metal piece before striking.
  • Die Errors: Flaws in the die used to stamp the design onto the blank.
  • Striking Errors: Mistakes occurring when the coin is physically struck.

Understanding each category helps in identifying and valuing coins accurately. As you delve deeper into the world of coin errors, you’ll find that knowledge is key.

What Are Coin Errors?

Coin errors are essentially mistakes that occur during the minting process. These errors result in coins that deviate from the intended design. They can manifest in various forms, from off-center strikes to incorrect metal use. Each error type can be an exciting discovery for collectors. Some errors are minor and barely noticeable, while others are drastic and eye-catching. The rarity and uniqueness of an error often contribute to its desirability.

The Rarity and Value of Coin Errors

The value of coin errors hinges on a few critical factors. Rarity plays a significant role in determining a coin’s worth. An uncommon error can fetch a high price among collectors. Demand is another factor; if collectors actively seek a specific type of error, its value increases. Lastly, the error’s severity can influence its worth. An easily recognizable error may attract more interest and higher bids at auction.

The Role of the Minting Process in Coin Errors

The minting process is complex and involves several stages. Each stage presents opportunities for errors to occur. Beginning with the creation of the planchet, or coin blank, issues can arise that lead to valuable mistakes. The die is then used to imprint designs onto these blanks. If the die is damaged or improperly aligned, die errors happen. Finally, in the striking stage, various mishaps can result in striking errors. Understanding this process is essential for identifying genuine coin errors.

Types of Coin Errors

There are many different types of Error coins, this visual guide only lists some of them, like wrong planchet, off-center strike, broad-strikes, brockages, double & triple struck, and die adjustments. The world of error coins is vast and deep.

Coin errors can be intriguing for collectors, each telling its own story. These variations occur in several forms and are categorized into three main types: planchet errors, die errors, and striking errors. Understanding these distinctions can help you assess the coin’s potential value.

Planchet errors are related to the coin’s blank piece of metal, known as a planchet before it undergoes the minting process. These can include an improper metal composition or physical defects in the planchet’s shape or size.

Die errors occur due to imperfections or mistakes in the dies used to imprint designs on the coins. These can include doubled dies or misaligned impressions that end up on the coin’s surface.

Striking errors manifest during the actual minting or striking process, resulting in deviations from the intended design. These can result from improper pressure or misalignment between dies and planchets.

A keen understanding of these error categories aids collectors in spotting valuable finds. As you explore further, you’ll encounter various intriguing cases within each category. Here’s a quick overview:

  • Planchet Errors
  • Die Errors
  • Striking Errors

Recognizing these errors requires attention to detail but can ultimately lead to significant rewards.

Planchet Errors

Planchet errors occur before the coin even meets the die. These errors stem from issues with the blank metal pieces, or planchets before they enter the stamping phase.

One common planchet error is the clipped planchet. This occurs when the planchet is improperly cut, resulting in a curved or straight missing edge. Such features make these coins instantly identifiable. Another intriguing planchet error involves the incorrect metal composition. Such coins might be struck using materials meant for other currencies, creating unexpected and valuable anomalies.

Die Errors

Die errors arise from issues with the dies that stamp designs onto the coins. These errors can result in fascinating and complex variations.

One notable die error is the doubled die. This occurs when the die imprints the design twice, slightly misaligned, creating a shadow effect. Coins like the 1955 Double Die Lincoln Cent have gained fame for this striking feature. Repunched mint marks are another form of die errors. These occur when mint marks are stamped more than once in different positions, offering a unique collectible for enthusiasts.

Striking Errors

Striking errors occur during the coin production phase when the planchet is stamped. Various factors can cause these intriguing errors.

An off-center strike is when the design is not perfectly aligned with the planchet. The resulting coin features a notable off-center image, which can vary in appeal and value. Another error occurs if the coin receives multiple strikes, leaving overlapping designs on the coin. Such mistakes offer a unique aesthetic that collectors often seek. Broadstrikes happen when the collar, which usually shapes the edges, is absent, leading to spread out, larger coins. Each of these errors contributes to the rich variety collectors cherish.

Identifying Valuable Coin Errors

Identifying valuable coin errors takes time to master. While there are general guidelines to follow the best teacher is time and experience.

Recognizing valuable coin errors demands keen observation and knowledge. Collectors need to differentiate between genuine mint errors and post-mint damage. Begin by familiarizing yourself with different error types. Understanding planchet, die, and striking errors helps in identifying potential finds.

Utilize a detailed inspection process. Examine coins under ample light and with the aid of magnification tools. Tools like a magnifying glass or a loupe can reveal subtleties in the coin’s surface. Patterns, misalignments, or unusual textures can indicate errors.

Enhanced tools, such as microscopes, provide deeper insights. These tools highlight fine details that could distinguish a common coin from a valuable one. Collectors should also consider rarity and market demand. Rarer errors or those in high demand often carry higher values.

Distinguishing True Errors from Post-Mint Damage

Understanding the difference between true errors and post-mint damage is essential for collectors. Errors occur during the minting process, while damage happens afterward. True mint errors often show consistent patterns, such as doubled dies or broadstrikes, which do not result from physical damage.

Conversely, post-mint damage may show irregular, jagged marks. Scratches, dents, or wear typically indicate handling rather than minting issues. Knowing the characteristics of different error types helps avoid confusing post-mint damage with genuine errors. Consistent education is key for collectors.

Can error coins be faked?

Yes, some errors are falsely created. Authentication from a professional grader is essential. This ensures the coin’s legitimacy. Unless you know what you are doing it is best to purchase graded specimens that have the proper attribution.

Tools and Techniques for Spotting Errors

A loupe is a small, portable magnifying device that offers closer inspection. A magnification power of 10x or better is generally recommended for coin inspection. Lighting is crucial; ensure you have a well-lit area to reduce shadows and enhance visibility. Adjust the angle of light to spot embossing or design anomalies. We recommend the Jarlink Jewelers Loupe set, which has 30x, 60x, and 90x magnification located right in our store.

Using a digital microscope can further enhance your inspection capability. This device allows for more detailed analysis through image capture and enlargement. While a casual collector generally won’t need a microscope, some errors are hard to find without it. I personally use and recommend the Elikliv EDM9 Max 10.1″ HD IPS HDMI Digital Microscope.

Authentication and Grading of Error Coins

There are 3 big, or reputable coin grading companies. Those companies are PCGS, NGC, and ANACS. Each grading company has its own benefits to use.

Consider reputable grading services like PCGS or NGC, ANACS is also a reputable grading company. Each of these companies has its own benefits when choosing which one to use. They offer professional assessment and encapsulate the coin in tamper-proof holders. Grading reflects the coin’s condition and identifies specific errors. Higher grades often correlate with higher values, especially in less circulated errors.

A Coins graded Slab Label offers vital insights. It details the error type, the coin’s condition, and any significant attributes that affect its valuation. It’s extremely important when buying a slabbed or graded coin you choose one graded by one of those three companies. There are a lot of “basement” graders that will put a coin in their own sealed slab, and put a label on it with a highly inflated grade and possibly fake attribution. A grade from any other company generally isn’t worth the label that’s on it.

The Importance of Condition in Error Coin Collecting

Condition plays a pivotal role in error coin collecting. It directly impacts both the coin’s value and its desirability. Mint state coins, free from wear and damage, are more sought after. Collectors often prioritize these for their collections.

Regular inspection and maintenance are needed to retain a coin’s condition. This can significantly boost its long-term market value. By placing importance on condition, collectors can ensure their error coin collection remains valuable and cherished for generations.

We have a comprehensive guide to Coin Grading you may be interested in reading after this article.

Famous and Rare Coin Errors to Know

Error coins are not only fascinating; they can also be quite valuable. Some examples of famous error coins are known for their rarity and unique mistakes. Collectors often seek these rare coins due to their historical significance and potential value. Below are some of the most notable error coins:

  • 1955 Double Die Lincoln Cent
  • 1943 Copper Penny
  • 2004 Wisconsin Extra Leaf Quarters

These coins highlight specific errors that attract the interest of both novice and seasoned collectors.

The 1955 Double Die Lincoln Cent

The 1955 DDO, or Doubled Die Obverse, is the most iconic lincoln penny error coin. With extreme doubling showing across all the writing, you can't miss this coin.

The 1955 Double Die Lincoln Cent stands out in the world of coin errors. This error resulted from misalignment during the die creation process. It features a noticeable doubling of the obverse side. This doubling is particularly visible in the date and the word “Liberty,” making it easily identifiable. Due to its striking appearance and rarity, this error coin holds a high value among collectors. Its demand continues to increase, making it a prized piece.

The 1943 Copper Penny

In 1943 all Wheat penny's minted were supposed to be struck on Steel Planchets, but some were struck on leftover Copper planchets from the year prior. These coins are extremely rare and valuable due to their rarity even in very bad condition.

The 1943 Copper Penny is another legendary error coin. During World War II, the U.S. Mint switched from copper to steel for pennies to conserve resources. However, a few copper planchets accidentally entered production. These rare pennies were struck in copper rather than the intended steel. With fewer than 20 known examples, these pennies are extremely valuable. They are highly sought after by collectors due to their rarity and historical context.

Modern Error Coins: The 2004 Wisconsin Extra Leaf Quarters

In 2004 the Washington State set of coins was minting the Wisconsin specimen, but due to a die error caused a variety known as the Extra Leaf, and two sub-varieties called the High leaf and Low Leaf. Use this image as a visual guide.

Modern error coins, like the 2004 Wisconsin Extra Leaf Quarters, continue to intrigue collectors. This error involves the depiction of an extra leaf on a cornstalk on the coin’s reverse. Two versions exist: “high leaf” and “low leaf.” Both versions were likely the result of an inadvertent die adjustment during production. These extra-leaf versions quickly gained popularity due to their unusual appearance. They represent a unique find in contemporary coin errors.

Collecting Error Coins: A Hobby with Potential Profit

Collecting error coins can be both exciting and profitable. This hobby offers unique opportunities for discovery and financial gain. Error coins attract collectors due to their oddities and potential for value appreciation. With patience and knowledge, one can build an impressive collection. Error coin collecting requires attention to detail and a keen eye. Spotting unique mistakes can lead to exciting finds and potential profits.

Building a Collection of Error Coins

Bank Coin Roll Hunting is a great low-budget way to find Error coins! Simply go into a bank and exchange your money for boxes of coins and search through them! When you're done, return the change to a different bank.
Our Article on Coin Roll Hunting teaches you all you need to know and is a great low-budget way to learn how to find new coins for your collection

Starting a collection of error coins begins with knowledge. Educating oneself on different types of errors is crucial. Collectors often start by examining circulated coins, also called coin roll hunting, looking for anomalies. Over time, as they learn more, their ability to spot valuable mistakes improves.

Networking with other collectors can enhance one’s collection. They provide insights, share discoveries, and offer guidance for beginners.

Where can I find error coins?

Error coins can be found in circulation. Coin Roll Hunting rolls of coins and searching through your own pocket change are good low-budget places to start. Coin dealers and local or online coin shops often have collections for sale too.

The Market for Error Coins: Buying and Selling

The market for error coins is vibrant and dynamic. Collectors buy, sell, and trade pieces, constantly searching for new acquisitions.

Error coins can be acquired through various channels, including auctions and coin shops. Online platforms such as eBay or Amazon, just make sure you’re buying graded examples and that the seller has a good return policy. also offer a wide range of options. Pricing in the error coin market hinges greatly on rarity and condition. Understanding market trends and establishing connections can lead to profitable transactions.

Resources and Education for Error Coin Collectors

Books and guides offer foundational knowledge, a great book to start with is the Redbook. They are perfect for understanding types of coin errors and market trends. Online communities like the Coins Subreddit connect collectors worldwide. They provide forums for discussions and learning about new discoveries.

For hands-on learning, coin shows and conventions are invaluable. These events offer firsthand opportunities to observe and purchase error coins. A well-rounded approach, using these varied resources, optimizes the collecting journey, enhancing both enjoyment and profitability.

Protecting and Preserving Your Error Coin Collection

Protecting and preserving your error coin collection is crucial for maintaining its value. Proper care ensures longevity and appeal. Coins are vulnerable to environmental factors. Moisture, dust, and temperature fluctuations can degrade them over time.

To preserve coins, collectors should use suitable storage solutions. These include coin holders, capsules, and albums. Handling coins carefully is also essential. Touching coins with bare hands can lead to damage from oils and dirt. Prioritizing preservation protects your investment. It also ensures your collection remains a source of pride and fascination.

Proper Storage and Handling of Error Coins

Proper storage is key to preserving error coins. It’s important to choose storage materials that are acid-free and non-abrasive. Coin holders or flips made of inert materials protect coins from environmental harm. These prevent scratches and maintain visual appeal.

When handling coins, always wear soft cotton gloves. This prevents oils from your skin from tarnishing the metal. By combining careful handling with proper storage, collectors can significantly extend the life and beauty of their coins. The supplies I personally recommend and use myself are all located in the Coin Supplies section of our store.

The Joy of Error Coin Collecting

Error coin collecting is a captivating hobby. It offers a unique glimpse into history and the minting process. Each discovery fuels excitement and learning. Collectors enjoy the thrill of finding coins with errors. These coins tell a story, merging art with technological accidents. The hunt itself is rewarding.

Building a collection can be both a personal and financial endeavor. It involves patience and detailed research. This journey fosters growth and a deep appreciation for numismatics. Sharing experiences with fellow collectors enriches the hobby. It creates a community bound by curiosity and passion. Collecting error coins is indeed a hobby filled with joy and endless opportunities for exploration.

Always approach error coin collecting with a curious mindset. Research and community involvement will enhance your experience. Such an approach will also broaden your understanding of this captivating numismatic niche.


Michael Larsen, the owner of Simplybutterflies.org and co-owner of Larsen & Co. A lifelong Butterfly Rancher and IT Administrator!

Michael D. Larsen

IT Administrator, Butterfly Rancher, Co-Owner of Coined Insights and Larsen & Co.

I’m a lifelong coin collector and former professional dealer with a deep passion for numismatics. I have a lifetime of hands-on experience handling rare and historic coins, I created Coined Insights to offer a trustworthy digital coin store, and so I can share my expert knowledge, market trends, and coin-collecting tips. Whether you’re a beginner or an experienced collector, my goal is to make coin collecting more accessible and rewarding. I am also a co-owner of Larsen & Co., a web development company currently operating 3 websites all on topics I am very passionate about. Feel free to learn more on our About page!

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