<Tr> <Th_colspan="2"> Reverse </Th> </Tr> <Tr> <Th> Design </Th> <Td> Images with contributions made by Native American tribes and individual Native Americans to the history of the United States </Td> </Tr> <Tr> <Th> Designer </Th> <Td> Various </Td> </Tr> <P> The dollar coin is a United States coin worth one United States dollar . It is the second largest American 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 and Presidential dollars are sometimes referred to as golden dollars due to their color . </P>

When did they stop making real silver dollars