Curved Clip Error Coin




Curved Clip Mint Error Coin: 1978-D Penny

A curved clip mint error coin is a type of numismatic error that occurs during the production of coins. In other words, a 1978-D penny curved clip mint error refers to a portion of the coin’s circumference being absent. This is due to a misalignment during the blanking or cutting process.

1978 penny error

Furthermore, the blanking process involves cutting round metal discs, called planchets from large sheets of metal. Occasionally, the cutting machine may malfunction or experience misalignment. This results in irregularly shaped planchets.  Moreover, the irregularly shaped planchet used to strike a coin, creates a clipped mint error.




Note the Crescent-shaped Indention

Essentially, a curved clip mint error is named because a missing portion of the planchet creates a curved or crescent-shaped indentation. The location and size of the curved clip can vary, but typically affects a small segment of the coin’s circumference.

1978 penny error list
Curved Clip Mint Error Coin Value

The value of a curved clip error coin may vary.  Moreover, it depends on several factors, such as the severity of the clip, the rarity of the coin, and the demand among collectors.  Additionally, the more pronounced and larger the curved clip, the more desirable the error coin becomes.




To determine the specific worth of a curved clip mint error coin, have it authenticated and appraised by a professional coin grading service or a reputable numismatist.  For a small fee, they’ll assess the coin’s condition, rarity, and market demand to provide a valuation estimate.

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Note the Blakesley Effect

The Blakesley Effect refers to a specific type of error that can occur during the minting process of coins. It’s named after a man named Blakesley, who first described this phenomenon.

mint error coins to look for

The Blakesley Effect specifically refers to the raised rim formed along the clipped edge of a coin.  A coin struck with insufficient force or misalignment, displaces the metal pushing it upward.  This causes the formation of a ridge or rim along the clipped area and a flattened area opposite the clip.




Coin collectors find these errors intriguing due to their unique appearance and the circumstances during minting process.  List your own mint error discoveries on Ebay by observing how others have listed theirs.

Curved Clip Error Coin 1978 penny errors

If you’ve found a clipped error coin you think is valuable, then consult with experts in the field to get an accurate assessment of its worth. Online coin groups such as coinauctionshelp.com are extremely valuable resources to be aware of.

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2019 Dime Doubled Die Reverse Variety

2019 Doubled Die Reverse Dime

2019 dime errors and varieties exist!  For instance, observe a 2019 doubled die reverse variety dime coin found in pocket change.  This American dime is worth a lot of money!  Due to its condition and rarity, it’s an easy $20.oo coin sold raw on Ebay.

Furthermore, it makes the rare dimes list of doubled die reverse dimes, and it’s valuable despite being found in circulation.  Moreover, all it took was a coin magnifying tool and a good look at the 10 cent coin. 

However, it’s important to know what to look for.  Furthermore, the best chance of finding American dimes worth money is by searching through uncirculated original bank wrapped rolls.

doubled die reverse dime 2019
Roosevelt Dime Errors and Varieties

Furthermore, doubled die dime variety listings to compare images are available on the internet via doubleddie.com.  Moreover, knowing where to look on each coin for doubling increases the likelihood of finding a doubled die reverse or obverse dime.  

Moreover, examining 2019 mint sets ensures a mint state grade coin specimen.  Error and variety coins increase the value of any collection. Did you know that there are 1996 w dimes worth money floating around in circulation?  They’re some of the most valuable dimes!

Coin collectors have paid thousands of dollars for doubled die dimes, because they’re rare collectibles.  For instance, the most valuable American dimes are worth a lot more than just ten centsLearn next about a 1945  Liberty Dime.  Check out other rare Roosevelt dime error coins to search for in circulation. 

Roosevelt Dimes Worth Money

Furthermore, a Roosevelt dime in pristine condition becomes valuable over time due to the wear and tear of dimes used in circulation.   Moreover, the most valuable US dimes are not as easy to spot but are as collectible as this doubled die reverse variety coin.  

Additionally, a dime in uncirculated or brand new condition that is also an error or variety drastically increases the value of the coin.  Finally, this website is a partnered associate and may contain affiliate links. Full disclosure is found here. Happy Hunting!

2019 Massachusetts Quarter Errors, Varieties, & Values

2019 Massachusetts Quarter Errors, Varieties, & Values

2019 Lowell Massachusetts National Park quarter varieties and errors exist!  Furthermore, being a unique coin specimen makes quarters like these more valuable than “normal” coins.  Check out the arrows noting the die markings found on 2019 Lowell quarters in the images below.     

lowell quarter error
Arrows note the "hair-pin" die crack variety
2019 Massachusetts Quarter Doubled Die Varieties

Additionally, one of the most famous die breaks on the reverse of the 2019 Lowell National Park quarter is known as the “Ghost in the Bell Tower,” as you’ll see noted below.  

Furthermore, a  2019-P 25¢ MA WDDR-001 is the only listed doubled die variety to date.  Additionally, the doubling displays on the spokes of the wheel, near the mill girl’s hand.  

2019 quarter errors
Arrows note an interior die break on the mill girl's apron
2019 Massachusetts Quarter Design

“The Lowell quarter shows a female worker, called a mill girl, who made up of the majority of the Lowell Mill workforce.  Mill girls became an important voice for labor.

In other words, they advocated for better working conditions, supported abolition, and embraced education.  The design reflects the role of Lowell in the Industrial Revolution.”  – usmint.gov.

massachusetts quarter value
Obtaining Mint State Specimens

Furthermore, the best chance of finding rare and valuable uncirculated 2019 Massachusetts quarters is by searching through original wrapped bank rolls.  Additionally, examining 2019 mint sets ensures a mint state grade specimen.

2019 quarter error list
"Ghost In The Bell Tower" interior die break on 2019 P Lowell Massachusetts quarter. 
2019 Massachusetts Quarter Value

However, 2019 quarters don’t have to have errors or be varieties to be valuable. For instance, a  2019-D 25C Lowell NP quarter, graded MS67+, sold at auction for $505.00.  Furthermore, a 2019-P 25C Lowell NP quarter, graded MS68, sold at auction for $695.00.

lowell massachusetts quarter 2019
Arrows note die markings on a 2019 national park quarter

Moreover,  a 2019-W 25C Lowell NP quarter graded MS68, sold for $1,825.  Additionally, keep an eye on what Massachusetts quarter errors going prices are in raw condition on Ebay.

massachusetts quarter dollar
Arrows note a pre-die break and a form of doubling on a Lowell quarter




massachusetts quarters worth money
2019 error quarters list
2019 National Park Quarter Obverse
Profitable Hobby of Coin Collecting

If you’re new to the coin collecting hobby or want to introduce someone else to it, Coin Collecting For Dummies is useful as a crash course for beginning collectors. Getting people you know interested in the coin hobby could really pay.

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Furthermore, coin collecting kits should contain a coin microscope, a coin scale, and coin flips as necessary tools for obtaining a profit with the hobby. They’re available for purchase online or at your local coin shop.

lowell quarters worth money
"Ghosts in the Bell Tower" found on a 2019 Lowell Massachusetts National Park quarter
2019 National Park Quarter Errors

Additionally, several die varieties and errors on 2019 National Park quarters exist.  For instance, observe a 2019 Texas quarter error.  Then, examine the die markings on a 2019 Guam quarter.  Finally, learn how 2019 River of No Return quarters are worth more than face value!

2019 Massachusetts quarter error list
Arrows note an interior die break visible on a 2019 Lowell quarter
2019 Massachusetts quarter error
Arrows note a die break in the mill girl's hair
Coin Toning Tips

Additionally, were you aware that using a specific type of coin sleeve to store a coin in promotes natural rainbow toning on coins?  Furthermore, rainbow toning increases value, as it appeals to niche specific collectors.  Check out the latest sales of naturally rainbow toned quarters on Ebay!

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