1979 S Proof Susan B Anthony Dollar Type 1 value is face value for circulated coins. If the coin is uncirculated and not certified they’re worth $1.25 to $2 each.
If graded PR68 by either PCGS or NGC they’re worth $5 and in PR69 they’re worth $12. 1979 Susan B Anthony, or SBA, are not silver but clad copper – nickel.
The Type 1 is often referred to as the Filled S and the Type 2 is Clear S or Flat S.
Look for 1979 P Wide Rim variety
Mintmark: P (Philadelphia, PA), D (Denver Mint), S (San Francisco Mint) on the left side of the obverse, just above Anthony’s shoulder.
More Susan B Anthony Dollar Values: