Palau – World of Wonders – Sydney Opera House – $5 – 2011 – Proof Colored Silver Crown – COA – The Sydney Opera House is a multi-venue performing arts centre in Sydney, New South Wales, Australia. It was conceived and largely built by Danish architect J. Utzon, opening in 1973 after a long gestation that had begun with his competition-winning design in 1957. Utzon received the Pritzker Prize, architecture’s highest honor, in 2003. The Sydney Opera House is one of the great iconic buildings of the 20th century, an image of great beauty that has become known throughout the world as a symbol for not only a city, but a whole country and continent. The Sydney Opera House was made a UNESCO World Heritage Site on 28 June 2007. It is one of the 20th century’s most distinctive buildings and one of the most famous performing arts centers in the world. This beautiful legal-tender proof silver crown is part of the Wonders of the World series issued by authority of the Government of the Republic of Palau. It was minted from 25 grams of .925 fine silver and comes with a Certificate of Authenticity. Total mintage worldwide was limited to 2,500 coins.