2014 $1 A Voyage To Terra Australis Uncirculated 4 Coin SetI call the whole island Australia, or Terra Australis, wrote Matthew Flinders to his brother Samuel in 1804, while under arrest during the Napoleonic wars. Flinders had just completed a circumnavigation of Australia and was on his way back to England when he needed to stop in the Isle de France (todays Mauritius) and subsequently, was arrested because of the distrust between the French and the English.