s stands for sophie
That is the Mintmark.It is the S Mintmark.
The "S" means it was made in San Francisco.
It means it was made at the San Francisco mint.
If it is a "S" mintmark Eisenhower dollar, it's 40% silver, if not, no silver.
An "S" mintmark just means that the coin was made in the San Fransisco Mint.
If you mean a real silver dollar, such as a Morgan or peace dollar the thickness is 2.4mm
That the people love Dollar's!
1 dollar
One dollar.
SAN FRANCISCO
Currently a 1880 S Morgan silver dollar in MS65 uncirculated condition is worth $156.
Yes it is, 40% silver