$16 to $20 depending on how worn it is.
4-16-11>> A 1900-O Morgan dollar is common, circulated coins are $33.00-$40.00, typical Mint State coins are $50.00-$60.00.
This coin in circulated condition is worth an average of $27. This coin in uncirculated condition is worth around $185 depending on quality. This is not a rare date for Morgan dollars.
August 21, 2009 The 1886-O Morgan Dollar in AU53 grade has a value of about $90.
The 1900 Morgan dollars issued from the New Orleans Mint are known to have medium size mintmarks. This is not a recognized variety. The 1900-O Morgan is considered common. AU grade coins currently have values of $35.00-$40.00.
Circulated coins are valued at $17.00-$26.00, the 1884-O Morgan is common.
As of 4/12 a 1898 O Morgan silver dollar in MS-65 condition is worth $238.
The 1901 Morgan with no mintmark is worth more than the one with the "O" mintmark, but the difference depends on the condition (grade) of the coins. A 1901-O Morgan in the grade of EF-40 has an average value of $29.00 A 1901 Philadelphia (no mintmark) Morgan in the same grade is $105.00.
Please post a new question with the coin's date.
Current average market value is about $1,000.00 for a certified example.
The 1900 Philadelphia issue Morgan is a common coin, average retail values for circulated coins is $23.00 to $32.00. Mint State coins are $35.00 and higher depending on the grade.
If you mean a Morgan Dollar coin? The 1883-O (New Orleans) Morgan is common, retail values are $17.00-$26.00 for circulated examples.
The 1888-O Morgan is a more common New Orleans Mint coin. Assuming it's circulated, average values are $32.00 to $44.00 depending on the actual grade of the coin.