There are four pretty remarkable errors up on eBay at the moment. The scarcity of the errors would make them unusual to see in room auctions, let alone the 24 hour mostly-junk-garage-sale that is eBay. Let’s have a look at…

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…

Roxbury Auction House held their auction #95 (find the catalogue here) on October 17 2015 and there were a few errors in the sale that are worth mentioning. All prices are net of commission so 20% should be added to…

In the previous entry about Split Planchet Errors I mentioned that there were 2 main types of split planchet error coins. Those where the planchet split those coins that were struck and then the coin split. Shown here are examples…

In Part 1 of the Split Planchet Coin Errors series of articles brief mention was made of the so called ‘clamshell’ partially split planchet. This sort of coin error, seen here, happens when there is a weakness in the metal…

This article was published in the Australasian Coin and Banknote Magazine May 2015 and was written by the Australian Coin Collecting Blog.Subscribe here to CAB magazine. What is a split planchet error? A split planchet occurs when a coin splits…

You often see flaws in the metal blanks used to strike coins but rarely do you see coins so obviously wrong as the clamshell error. These planchets contain lamination problems deep inside the metal which splits the 2 sides apart…

Above is an example of a type of coin error known as a die cap, bottle cap or bottle top coin error. This particular coin is on display at The Royal Australian Mint in their First Floor display area showing…

Our last entry about the Australian 2000 $1 / 10 cent mule and the recent discovery of a new 20p mule coin error in the United Kingdom made us realise we hadn’t actually done an entry on the so called…