2009 $5 Fine Silver Proof Coin, 150 Years of State Government, Queensland. On 6 June 1859 Queen Victoria signed Letters Patent creating the new Colony of Queensland which was officially proclaimed on 10 December 1859. This silver proof coin celebrates the 150th anniversary of that event. Mintage 12,500.0 Certificate of Authenticity is included with this coin numbered 1964. Please contact Adelaide Exchange Jewellers to find out more on this item.