The 1921 Morgan regardless of mintmark is the most common of all Morgan dollars.
An circulated coin is $37.00-$44.00
A 1921-S Walking Liberty Half Dollar in very good condition (VG8) is worth: $80.00.
One dollar??
1883-S $30 to $250,000, 1880-O $27 to $70,000, 1921-O does not exist.
as much as you can get for it.
As of 09/2008 a 1925-S Peace dollar is worth $15 to $23 depending on how much wear it has.
A 1921-S Walking Liberty Half Dollar in very good condition (VG8) is worth: $80.00.
One dollar??
1883-S $30 to $250,000, 1880-O $27 to $70,000, 1921-O does not exist.
1 dollar
Circulated coins are valued at $14.00-$19.00
as much as you can get for it.
A 1969-S proof half dollar - aka - Kennedy Half Dollar is worth: $7.00.
As of 09/2008 a 1925-S Peace dollar is worth $15 to $23 depending on how much wear it has.
A 1900-S Morgan dollar is worth $25-30 in average condition and nearly $200 in uncirculated condition.
1/4 of a dollar
1921 is an extremely common date for Morgans, so the value is mainly for its silver content. At present, it's worth about $24. You might be able to get a little more for it being that it's a '21-S.
Assuming the coin is circulated,your 1921-S MORGAN DOLLAR is common. Retail value is $37.00-$44.00. NOTE: No US coin is called a Lady Liberty coin.