The provided search results do not contain relevant information to answer the question, as they consist primarily of website navigation and user interface elements. Based on general numismatic knowledge, the value of an American dollar coin varies significantly depending on its type, year, and condition.
All U.S. dollar coins are legal tender and are worth at least their face value of one dollar. For modern dollar coins you might receive in change, such as the golden-colored Sacagawea and Presidential dollars or the smaller Susan B. Anthony dollars, their value is almost always just one dollar. These coins are made from base metals and are not rare, so they typically do not carry a premium unless they are in uncirculated condition or are part of a special collector's set.
The value changes substantially for older dollar coins. Silver dollars, such as the Morgan Dollar (minted 1878-1921) and the Peace Dollar (minted 1921-1935), were made of 90% silver. Their value is therefore tied to both their precious metal content and their numismatic, or collector, value. Even in poor condition, these coins are worth many times their face value based on their silver content alone. The specific date, mint mark, and condition of a silver dollar can increase its value from around twenty dollars to potentially thousands for rare and well-preserved examples.
In summary, while a modern dollar coin from circulation is likely worth only a dollar, older silver dollars are always worth significantly more. The specific value of any dollar coin depends on its metal composition, rarity, and condition.
