Error Highlight: Australian 1966 2 Cent Struck On Incomplete Planchet Error

Australian Coin Collecting Blog - This 1966 2 cent struck on an incomplete planchet gives the collector some very interesting insights into the coin manufacturing process. Firstly though we'll examine the error itself. The coin is a 1966 2-cent from an uncertain mint (see here for 1966 2-cent mint marks) that has been struck on an incomplete planchet. We know it is an incomplete planchet as it weighs just 4.80g which is about 7.5% less than the expected weight of 5.18g. Clearly, the missing part of the coin is on the reverse between about 12 o'clock and 3 o'clock extending a few millimeters into the reverse and about 1mm into the surface of the coin itself. The coin is a glossy red brown as are the corrugated surfaces of the missing part of the coin. Readers with a keen eye will note an area of strike weakness on the obverse. The top of the portrait is smooth and missing a lot of detail and the TH II of the monarch's name is completely missing. Read the Entire Article



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