Recent Articles by this Author
Missing-Clad Layer Mint Error Coins
By Jon Sullivan for PCGS ...... Beginning in 1965, clad coinage took the place of much of the circulating precious-metal coinage that had been in...
The Two Types of Struck-Through Error Coins
By Jon Sullivan for PCGS ...... When a coin is struck, it should be produced from dies that are clean and free of any residues,...
Double-Denominations: Two Coins in One
By Jon Sullivan for PCGS ...... The mint error type called a “double-denomination” is exactly what the name implies — two different denominations on the...
Double-Struck Mint Errors
By Jon Sullivan for PCGS ...... A very popular mint error type is the double-strike. It is dramatic in appearance and easily understood. Some of...
Errors & Varieties: The Popular Off-Center Strike
By Jon Sullivan for PCGS ...... Perhaps the most well-known and popular mint error type is the off-center strike. The error is defined as a...
Mule Mint Errors: The Rarest of the Rare
By Jon Sullivan for PCGS ...... When we hear the word “mule” we usually think of the animal that is the offspring of a horse...
A Brief Explanation of Off-Metal Error Coins
By Jon Sullivan for PCGS ...... Although there are many valuable mint errors, among the loftiest of these are classified as “off-metal”. The most valuable...
