Condition: The condition of a coin significantly impacts its value. The Sheldon coin grading system is commonly used to assess the condition of coins based on their appearance, luster, and wear. Higher-grade coins (such as MS-65, MS-66, or above) are considered more valuable than lower-grade coins (such as AG-3, G-4, or below).
Rarity: 1921 silver dollars are relatively common in lower grades, but they become increasingly rare in higher grades. The mintage of 1921 silver dollars was 86,665,250 pieces, which is not particularly low compared to other silver dollars of that era. However, the number of surviving high-grade 1921 silver dollars is smaller due to factors such as wear, damage, and melting.
Overall Desirability: The desirability of a particular coin plays a significant role in determining its value. Some coin collectors may have a specific interest in 1921 silver dollars due to their historical significance or as part of a collection focusing on coins from the early 20th century. This demand from collectors can influence the market value of these coins.
Based on these factors, the value of a 1921 silver dollar can range from a few dollars for a low-grade specimen to several hundred or even thousands of dollars for a rare, high-grade coin. It's essential to consult with a reputable coin dealer or numismatic expert to obtain an accurate appraisal of the value of your specific 1921 silver dollar.