Wiki Category

Known Decimal Upsets

This is a list of known (or rumoured) upset decimal coins which is being maintained by an Australian Coin Forum member. If you’re wondering what an upset coin is then you should take a look at this article on the Australian Coin Collecting Blog. $2 1995 (Unconfirmed) $1 1985 MoR (Confirmed) $1 1996 Parkes @ […]

Tips for the New Coin Collector

Some advice and for the new coin collector. Tips for the beginner collector. DON’T CLEAN YOUR COINS, this can devalue them greatly. Pick up a magnifier or loupe to view your coins or potential purchases more closely. Store your coins away from pvc. Many coin storage accessories contain pvc so ask the question before you […]

The One Dollar Rabbit Ear

The rabbit ear on the mob of roos Australian 1 dollar coin is caused by a die break or chip resulting in a raised cud representing an extra ear on the top kangaroo. It can be found on the 1984, 1985, 1994, 1998, 2000, 2006, 2008, 2009, 2010 and 2013 dated dollar coins. Above you […]

1998 10 Cent Die Clash Error

Die clash occurs when the two dies, the reverse and obverse impact each other without a coin planchet between them. It can leave the impression of one of the dies on the other at the low points of the design. In the case of this 1998 10c particularly in the fields around the portrait and […]

2010 50 Cent Upset Variety

Some Australian 2010 50 cent coins have been found to be “upset”. Which means that the designs on the obverse and reverse designs were not aligned correctly when the coins were minted. The Australian 50 cent coin is usually minted with the obverse and reverse designs in “medallic alignment”. This basically means that the two […]

2013 Circulating Coins

Collectors have noted all 2013 dated coins have been found in circulation. The Royal Australian Mint annual report for 2012-13 has confirmed this. 5c 5 cent echidna (with both small and tiny SD reverse varieties) 10c 10 cent lyrebird 20c 20 cent platypus 20c 20 cent Canberra centenary 50c 50 cent COA $1 1 dollar […]

1934-35 Centenary Florin

In 1934 the Melbourne Centenary Committee (MCC) entered into arrangements with the Commonwealth Government for the minting of 75000 commemorative florins to the face value of £7,500. Under those arrangements the florins were to be sold for 3/- with all profits going to a fund under the control of the MCC to offset costs from […]

1 Dollar Coins

The dollar coin was introduced in 1984 replacing the one dollar note that had circulated since the introduction of decimal currency in 1966. The first coin bore the Arnold Machin portrait of Queen Elizabeth and the reverse depicting 5 kangaroos was sculpted by Stuart Devlin. The design quickly became known as the “mob of roos” […]