For the year 1921 two different silver dollars were issued and each is a separate series of dollar coins and the designs are very different. But because of the fact you used the motto E PLURIBUS UNUM in your question that appears on the front of the coin above Miss Liberty's head, the coin is a MORGAN dollar.
The 1921 Morgan dollar is the most common of all Morgan dollars, circulated coins run from $31.00-$40.00.
value of an 1890 E Pluribus umun silver dollar
$558.00
The coin is a Sacagawea dollar not a liberty dollar and it's only worth a dollar.
The 1935 Liberty silver dollar is also known as the peace silver dollar. The value od a circulated 1935 liberty silver dollar is approximately $36 depending upon condition.
$100
A U.S. silver dollar with the national motto ( E-PLURIBUS-UNUM ) on it, dated 1897 is actually called a MORGAN (1878-1904 & 1921) dollar, not a Liberty dollar. All Morgan dollars have this motto. It's a very common coin. Assuming the coin is circulated and has no mintmark, an average retail value is $31.00-$39.00.
10.000.000$
It's a Walking Liberty half dollar with a value of about $13.00
It's a Walking Liberty half dollar with a value of about $13.00
yes
If the coin is a real Morgan or Peace dollar. The value is just for the silver, about $20.00.
The 1986 Statue of Liberty silver dollar contains 0.77 ounce of silver. Multiply the value of an ounce of silver by .77 and you will get an approximate value of the silver dollar. (At a silver price of $24.60, the coin would be worth about $18.94)