10 of the Most Valuable and Rare Australian Coins

10. 2007 double obverse 5 cent

9. 2000 $1/10c mule

8. 2010 perth mint proof australian sovereign

7. 1894 gold sovereign melbourne mint

6. a diamond pearl 1923 half penny

5. 1922-1921 threepence

4. 1852 cracked die adelaide pound

3. 1920 kookaburra square penny

2. 1855 sydney mint sovereign

1. proof 1930 penny