Values of U.S. silver dollars vary greatly, from about $20 for 1920s and 1930s coins to more than $60,000 for a 1794 bust silver dollar as of 2014. The U.S. Mint circulated four types of silver dollars intermittently from 1794 to 1935.
The first silver dollar that the U.S. Mint created was the Bust silver dollar from 1794 to 1803. These are valued between $630 for 1801 coins in good condition to $61,250 for 1794 coins in good condition as of 2014. The second was the seated Liberty dollar from 1840 to 1873, which is valued between $180 for an 1860 O coin in good condition to $2,476 for an 1846 coin in uncirculated condition. The third was the Morgan silver dollar from 1878 to 1921, which are valued between $20.86 for coins in good condition to $3,278 for an 1879 CC coin in uncirculated condition. The fourth was the Peace dollar from 1921 to 1935, which is valued between $20.25 for a coin in good condition to $1,264 for a 1934 S in uncirculated condition.