The single most valuable Morgan dollar is the 1893-S. A few other notable dates are the 1881-CC, '85-CC, '89-CC, '93-CC, 1894, 1895-O and S, and 1903-O.
The 1893-S is still the highest value, a coin graded MS-67 has a estimated value of more than one million dollars.
1895 p
1921
Carson City (CC) Morgan dollars are the most valuable, but all Morgans have some value.
It means the coin was minted in Carson City. Less than 10% of all Morgan Dollars were minted at the Carson City Mint. This scarcity generally makes the 'cc' Morgans the most valuable of the Morgan Dollars. It means the coin was minted in Carson City. Less than 10% of all Morgan Dollars were minted at the Carson City Mint. This scarcity generally makes the 'cc' Morgans the most valuable of the Morgan Dollars.
US Trade dollars have more silver in them than Morgan dollars do. But in general the Morgans have higher values.
1921
The 1893-S is still the highest value, a coin graded MS-67 has a estimated value of more than one million dollars.
Most common Morgan silver dollars are worth around 20 to 40 dollars in lower circulated condition. See the link below for a price guide and then you can see common Morgan silver dollars.
It would be incredibly valuable because the last Morgan dollars were made in 1921. If you have a PEACE dollar, please see the Related Question for more details.
1921 is the highest mintage most common of all Morgan dollars, circulated coins are valued at $16.00-$19.00 Value can be higher if it has a mintmark, up to $22.00For the series of Morgan dollars 1921 is the highest mintage year. Assuming the coin is circulated and depending on grade and mintmark, retail values are $16.00-$25.00
The 1895 year would be your answer
The most two most valuable are the 1903-O Morgan and 1928 Peace dollar, followed by the '21 Peace and the '02-S and '03-S Morgans.
Of all the Morgan dollars the 1921 coins are the highest mintage most common. Regardless of mintmarks, values for circulated coins are $16.00-$19.00.
1794-current Probably the most popular dollar, was the Morgan Dollar. Morgan Dollars were minted from 1878-1904 & again in 1921. Hope that helps you!