Loonie often discuss the rate at which the "loonie" is trading against other currencies. The nickname "loonie" became so widely recognized that in 2006, the Royal Canadian Mint secured the rights to it. When the Canadian two-dollar coin was introduced in 1996, it was in turn nicknamed the "toonie" (a portmanteau of "two" and "loonie"). Canada first minted a silver dollar coin in 1935 to celebrate the 25th anniversary of George V's reign as king. The voyageur dollar, so named because it featured an Indigenous person and a French voyageur paddling a canoe on the reverse, was minted in silver until
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