When I searched this a few minutes ago on eBay, the prices were between US$6–7, which included shipping from sellers in France or the United States. (That's about AU$7.65-$8.92.) This was over the U.S. read more
An Australian 1984 copper-aluminium-nickel One Dollar coin (Elizabeth II), uncirculated and in absolute mint condition could fetch up to $4 AUD. There were 185.985 million minted. An Australian 1984 copper-aluminium-nickel One Dollar coin (Elizabeth II)(Proof), uncirculated and in absolute mint condition could fetch up to $15 AUD. read more
In 1991 the Royal Australian Mint introduced a new concept where if you visited the mint you could press your own coin on the gallery presses and keep the coin in a special folder. 1993 brought the first of the mintmarked $1 coins where a special letter was struck on the coin either at a show or fair. read more