A master list of articles we’ve written about error coins, misstrikes, wrongly minted coins and coin press mishaps. Research your own dodgy looking coin and learn if it’s really a genuine coin error or PMD -damage after the coin was…

We’ve looked at all the different types of clips before and how they’ve occured but how can you really tell if you have a genuine clip or not? Often it is difficult to tell if a clip is a genuine…

An upset coin is produced during minting when the dies for the reverse and obverse of the coin are not aligned correctly. This may be because it was incorrectly installed in the press or it rotated during the production run…

Previously we talked about double struck coins errors but this entry largely covered double struck coins where the coin had been struck once and then partially left the coining chamber before being struck again. This results in two clearly visible…