It's a silver dollar made at the San Francisco Mint during the Morgan series, issued 1878-1904 and in 1921, and named for their designer G. T. Morgan.
To know its value please post a brand-new question with the coin's date, or enter the question "What is the value of a [date] US silver dollar?" in the box at the top of the page. [date] is of course your coin's specific year.
If you know it's a 1921 "S" Morgan you found the mint mark
The 1882-S Morgan dollar is common, circulated examples are $26.00-$32.00. A typical Mint State coin is $35.00-$50.00
A 1880-S Morgan Silver Dollar that is in a mint state of MS67 is worth: $ 450.00.
The San Francisco Mint
as much as you can get for it.
It's called a Morgan Dollar not a lady liberty dollar. The 1882-S is a common date/mint Morgan, circulated coins are valued at $17.00-$26.00
It's the mint mark for San Francisco.
An 1879 S Morgan dollar in MS(Mint State)63 condition is worth somewhere around $64. This is a common date.
Try eBay.
above the DO in the dollar
This is a common date/mint Morgan dollar, retail for circulated coins is $17.00-$26.00 depending on grade. Uncirculated start at $35.00
1890-S is a common date/mint Morgan, retail values for circulated coins are $17.00-$38.00 depending on grade.