What is the value of a us silver dollar 1840?

Assuming the coin is circulated and authentic, 1840 is the first year issue for the Liberty Seated series of silver dollars . For an accurate assessment of value the coin needs to be seen and graded. Most coins show heavy wear. In general retail values for low grade coins are $275.00-$375.00, better grade are $460.00-$1,000.00 and coins showing almost no wear run from $1,200.00-$2,800.00. Values are a market average and only for coins in collectible condition, coins that are bent, corroded, scratched, used as jewelery or have been cleaned have far less value if any to a collector or dealer