Newfoundland 2 dollar coin minted in London. Newfoundland's two dollar coin was broadly used not only in Newfoundland, but also in Eastern Canada in general. The supply of the coins "virtually disappeared" in 1894, when Newfoundland's banks and monetary system collapsed. With paper banknotes being distrusted, the gold coins were hoarded, as well as two next-highest Newfoundland denominations, the silver 50-cent and 20-cent pieces. With its two-dollar coin, Newfoundland became the only British colony to issue circulating gold coinage apart from Sydney Mint which issued Australian sovereigns from 1855 onwards. Gold coinage was used in Canada and other British domains. For example, in the
Coins of the Australian dollar 94.13 Australian 1966 round 50¢ coins make up a fine kilogram of silver. "Gold" one-dollar and two-dollar coins were introduced in the 1980s. The one-dollar coin was introduced in 1984, to replace the banknote of the same value. The two-dollar coin, also replacing a banknote, was introduced in 1988. These have content of 2% nickel, 6% aluminium and 92% copper. Thus, all Australian coins in use currently are composed of more than half copper. The two-dollar coin is smaller in diameter than the one-dollar coin, but the two-dollar is slightly thicker. The one- and two-cent coins were discontinued in 1991