Interestingly termed, an “Indent” error coin occurs when 2 planchets are accidentally fed into the collar at once. Consequently the dies will press the coin blanks together creating a partial blank on one side. This may fully or only partially…

Above you can see a remarkable and rarely seen error, and elliptically clipped or elliptical planchet Australian florin minted for 1962. The coin weighs just 7.82 grams, almost exactly 3.5 grams under the regulation florin mass of 11.31 grams. Now,…

Above we can see an Australian 50 cent that has been struck on a wrong coin planchet. This error 50c is the wrong weight, wrong colour and the wrong shape. A regular 2014 50 cent should weigh 15.55 grams, be…

We recently had the opportunity to look through the coin collection of a friend and some special coins caught our attention. I looked closer at one of the error coins and was surprised at the similarities to one of our…