1976-S Proof Bi-Centennial Kennedy Half Dollar struck on wrong planchet. We recently had the pleasure to purchase and attribute a 1976-S Proof Bi-Centennial Kennedy Half Dollar struck on wrong planchetRead More
The Mission of MintErrors.org
Providing the Coin Collecting Community educational numismatic material We are a Veteran owned home business who serves the community with educational numismatic materials. We focus on educational numismatic material, offeringRead More
1972 Lincoln Cents doubled dies
1972 Lincoln Cent Doubled Dies obverse what to look for. 1972 Lincoln Cent Doubled Dies can still be cherry picked from rolls and coin shows. A very important point aboutRead More
Terms and Conditions
Terms and Conditions These terms and conditions outline the rules and regulations for the use of MintErrors.org’s Website, located at https://MintErrors.org. By accessing this website we assume you accept theseRead More
Returns and Refunds Policy
Returns and Refunds Policy Welcome to our Returns and Refunds policy. Conditions for Returns and Refunds In order for the goods to be eligible for a return, please make sure that:Read More
Repunched mintmarks in shopping cart
Repunched mintmarks (RPMs) are being added to the shopping cart. We have hundreds of Repunched mint marks and we hope to have a good amount of repunched mint marks availableRead More
What are die variety coins?
Die variety coins – types & die variety coin attribution A die variety coin is an alteration to an existing die pattern, that was created by and used within theRead More
Types of error coins with photos
How to easily identify each types of error coins with photos. Many examples shown are types of error coins with photos. Types of error coins with photos Planchet Error typesRead More
New Major Mint error purchases – Part One!
We’ve purchased quite a variety of major mint errors over the past year. These major mint errors are in our shopping cart, as well as available at all the coinRead More
More Lincoln Cent CONECA RPM’s !
Found more Lincoln Cent RPM’s in the safes at the storage unit. Most of these are circulated and and housed in a Coin World Slab. I took the box ofRead More
Cleaning a coin? When should you do this?
Prior to cleaning a coin, it is best to logically approach the idea before cleaning a coin. Look at why cleaning a coin is either good or bad for theRead More
What is machine doubling or mechanical damage?
Why does machine doubling /mechanical damage occur? Machine doubling or mechanical damage is worthless doubling. Machine doubling may occur when the minting press strikes a blank planchet and makes itRead More
What is Struck on wrong thickness stock ?
How to determine if your coin has been struck on wrong thickness stock. Let’s do an experiment together. Let’s try to figure out this coin. Imagine you have a cladRead More
1878 7 over 8 tail feathers Morgan Dollar
1878 7 over 8 tail feathers Morgan Dollar, a VAM-38 This 1878 7 over 8 tail feathers Morgan Dollar not only has a tailfeather issue, but wait until you seeRead More
Amazing Lamination error coins – Educational Series
What is a Lamination error coin? How are lamination error coins made? What is the value of a Lamination error coin? We will answer these questions on Lamination error coinsRead More
California Fractional Gold varieties – Arms of California
California Fractional Gold varieties are rare and unique. Shown below is an 1857 California Fractional Gold varieties called “Arms of California”. We will focus on the reverse of this CaliforniaRead More
Lincoln Cent Struck on wrong planchet – A pair of 1945 Lincoln Cents on Ethiopian planchets.
Attribution of 1945 Lincoln Cent struck on wrong planchet. This is one way to tell if you have a Lincoln Cent struck on wrong planchet. A customer came up toRead More
Coin Specifications for coin attribution
Coin specifications can be hard to find. We’ve found coin specifications that we would like to share. These will help with error coin attribution and may solve a coin mysteryRead More
Microscope for Coin attribution and photos
Microscope for coin attribution allows us to take some amazing photos. Microscope for coin attribution – I have done this for the last several decades or so. I was gettingRead More
Lincoln Cent Re-punched mint marks
An extensive Lincoln Cent Re-punched mint marks collection to go on sale I have a rather large, copper Lincoln Cent collection in the Storage vault. I have decided to startRead More
Amazing 1964 Kennedy Deep Die Cap major mint error coin!
A rare and excellent example of a major mint error coin. Die caps on half dollars is rare. It has a higher degree of rarity if the die cap isRead More
What is an OMM (over mint mark): Educational Series
A mint error produced by the mint that is working die related The over mint mark (OMM) series in the Lincoln Cents is special. Two over mint mark error coinsRead More
Amazing struck on wrong planchet 1966 Lincoln cent on clad dime planchet
A nice struck on wrong planchet error coin. This is a 1966 Lincoln Cent struck on a dime planchet. Let us examine this struck on wrong planchet coin and thinkRead More
Russia Mule error coin double reverses !
Unique Mule error coin created with two reverse dies. A very unique Russian Mule error coin. This Mule coin was made with a 10 Ruble reverse die and a 2Read More
How are off center coins made?
How off center coins are produced Off center coins are typically created when there is a malfunction in the minting press. When a minting press is producing coins normally withoutRead More
Major mint Error coins from India – Multi-Struck coins
In this post we will chat about a major mint error that I purchased from India. Today we will talk about some multi-struck coins which are considered to be majorRead More
Capped Die Major mint error
I have a source within India who I am working with to obtain some World Coin major mint errors. He offered me a lot of five, 25 Paise major mintRead More
More major mint error coins from India
Wide variety of mint error coins have been purchased I have a little time to offer a few attributions from a lot of three major mint error coins that IRead More
Error & Variety Collectors – Join CONECA
A society for error and variety coin collectors The Combined Organizations of Numismatic Error Collectors of America (CONECA) is a great organization to offer education about coins, error coinsRead More
Major Error Coins from India
Major mint error coins are here. Now to attribute them ! I have a source in India that has delivered the first part of a large order of major errorRead More