1 Dollar - Elizabeth II 4th Portrait - 100 Yrs Swimming Excellence - Silver Proof

Australia's competitive swimming program had by 2009 accumulated more Olympic medals per capita than virtually any other nation, a record built on infrastructure dating to the late 19th century when the New South Wales Swimming Association — one of the world's first organized swimming bodies — was founded in 1889. The Perth Mint's pad-printing process, used here to apply color directly onto the coin surface, was a relatively new production technique at the time, allowing detail that enamel inlay could not achieve at this scale.