Loonie Loonie The loonie (), formally the Canadian one-dollar coin, is a gold-coloured coin that was introduced in 1987 and is produced by the Royal Canadian Mint at its facility in Winnipeg. The most prevalent versions of the coin show a common loon, a bird found throughout Canada, on the reverse and Queen Elizabeth II, the nation's head of state, on the obverse. Various commemorative and specimen-set editions of the coin with special designs replacing the loon on the reverse have been minted over the years. The coin's outline is an 11-sided curve of constant width. Its diameter of 26.5 mm
Dollar coin (United States) Future minting of such coins has been reserved solely for collectors. Dollar coin (United States) The dollar coin is a United States coin worth one United States dollar. It is the second largest U.S. coin currently minted for circulation in terms of physical size, with a diameter of 1.043 inches (26.5 mm) and a thickness of .079 inches (2 mm), coming second to the half dollar. Dollar coins have been minted in the United States in gold, silver, and base metal versions. Dollar coins were first minted in the United States in 1794. The term silver dollar is often used