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