Coins of the Canadian dollar 9 (common). In 1973, an RCMP quarter came out; it also has two varieties: a large bust (rare) and small bust (common). In 1987, the loonie was introduced, replacing the voyageur dollar with a new design, new colour, and smaller size. This coin also replaced the $1 bill, which was subsequently withdrawn from circulation by the Bank of Canada. In February 1996, the $2 coin, or toonie, was released; it currently has three varieties. (Early examples had problems with the centres being punched out in circulation.) The toonie replaced the $2 bill. To date there have been four different obverse
Dollar coin (United States) of most other developed countries, where denominations of similar value exist only in coin. These coins have largely succeeded because of a removal (or lack) of their corresponding paper issues, whereas the United States government has taken no action to remove the one-dollar bill. The United States Government Accountability Office (GAO) has stated that discontinuing the dollar bill in favor of the dollar coin would save the U.S. government approximately $5.5 billion over thirty years primarily through seigniorage. The Federal Reserve has refused to order the coin from the mint for distribution citing a lack of demand, according to ex-Mint