Scarce and usually spectacular is the wrong planchet error coin. These are one of the simplest error coin types to explain. Basically these are coins struck on planchets other than the type they were intended to be struck on. Perhaps…

In a previous entry about brockages I discussed briefly how they were formed. I also mentioned that Australian pre-decimal brockage coins can be hard to come by. Fortunately I’ve been able to obtain an image of a nice example of…

An interesting (but not particularly scarce) type of coin error is the lamination flaw or planchet flaw error. It is also sometimes known as a peel error. A lamination or planchet flaw or peel coin error occurs when there is…