the one dollar coin came out in 1794.
when did the one dollar coin come out?
1794
the dollar coin is a united states coin with a face value of 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 for any large white metal coin issued by the united states with a face value of one dollar, whether or not it contains some of that metal. while true gold dollars are no longer minted, the sacagawea, presidential, and american innovation dollars are sometimes referred to as golden dollars due to their color.
dollar coin (united states)
australian one dollar coin





























the australian one dollar coin is the second-most-valuable circulation denomination coin of the australian dollar after the two-dollar coin; there are also non-circulating legal-tender coins of higher denominations (five-, ten-, two-hundred-dollar coins and the one-million-dollar coin).





























it was first issued on 14 may 1984 to replace the one-dollar note which was then in circulation, although plans to introduce a dollar coin had existed since the mid-1970s. the first year of minting saw 186.3 million of the coins produced at the royal australian mint in canberra.
australian one dollar coin