2006 $5 Fine Silver Proof Coin, Melbourne 2006 City of Sport. The Melbourne 2006 Commonwealth Games mark the fourth occasion Australia has provided the venue for the games following on from Sydney (1938), Perth (1962) and Brisbane (1982). This $5 Fine Silver Proof Coin depicts the attractive Melbourne landscape along the famous Yarra River which flows through the heart of the city. Certificate of Authenticity is included with this coin numbered 4933. Mintage 10,000. Please contact Adelaide Exchange Jewellers to find out more on this item.