The 1979-D Susan B. Anthony dollar is still in circulation today, the coin is face value.
The coin is still in circulation and only a dollar.
If the coin does have a mintmark it would be under the "DO" in dollar on the back of the coin.
The coin is a 1979 SBA dollar and it's NOT silver. The coin is still found in circulation and is just a dollar.
The is no 1921S Peace dollar; Peace dollars were not produced in San Francisco ("S" mintmark) in 1921. If your 1921 dollar coin is a Peace dollar, it was produced in Philadelphia and has no mintmark; if it has an "S" mintmark, it is a Morgan dollar produced in San Francisco).
No U.S. one dollar coin is called a "Liberty" dollar. By the date 1979 your coin is a Susan B. Anthony dollar. The 1979 Wide Rim (near date) variety was only produced at the Philadelphia Mint so a "S" mintmark coin can't be a wide rim coin. Unless the coin is a high grade Mint State example it's just face value.
The dollar value of a coin is based upon rarity, condition, date, and mintmark.
The coin is still in circulation and only a dollar.
If the coin does have a mintmark it would be under the "DO" in dollar on the back of the coin.
The coin is a 1979 SBA dollar and it's NOT silver. The coin is still found in circulation and is just a dollar.
If the coin has a Mintmark it is on the back of the coin, above the letters DO in dollar. If no mintmark the coin was minted in Philadelphia.
The 1979-S type II is a proof only coin, the mintmark is very clear not a filled blob as the type I proof coin.
Please post new question and include the date, condition and the mintmark. The mintmark is located above the bell on the back of the coin.
One dollar.
The date and mintmark is on the edge of the coin, unless it's Proof it's just a dollar.
The is no 1921S Peace dollar; Peace dollars were not produced in San Francisco ("S" mintmark) in 1921. If your 1921 dollar coin is a Peace dollar, it was produced in Philadelphia and has no mintmark; if it has an "S" mintmark, it is a Morgan dollar produced in San Francisco).
The coin is still in circulation today and has face value only.
No U.S. one dollar coin is called a "Liberty" dollar. By the date 1979 your coin is a Susan B. Anthony dollar. The 1979 Wide Rim (near date) variety was only produced at the Philadelphia Mint so a "S" mintmark coin can't be a wide rim coin. Unless the coin is a high grade Mint State example it's just face value.