In 2012 a new Australian 50 cent coin variety was discovered by coin noodlers*. This variety is an Upset Coin Error which means that the obverse and reverse dies were not aligned correctly when the coins were struck. Normally Australian…

Above you can see a simply amazing error, an Australian 1947 Florin struck on an ellipse shaped planchet. The shape of the coin is the result of a coin blank that was struck twice by the blanking press, the smaller…

As a follow on to the entries about clipped planchet coin errors we’ve decided to put up a post on the double curved clip coin error. You can see an example of this sort of coin error above. This 1981…

The so called coin cud or die chip error coin happens when a part of one of the dies that strikes the coin actually breaks off. When this broken die strikes a coin the result is a new raised feature…