What is a 1883 gold dollar worth?

Assuming you're asking about a 1883 Indian Princess Head gold dollar. It's a fairly common coin. For an accurate assessment of value the coin needs to be seen and graded. Circulated examples are $130.00 to $300.00. Mint State coins are $325.00-$500.00 depending on grade. Values are a market average and only for coins in collectible condition, coins that are bent, corroded, scratched, used as jewelry or have been cleaned have far less value if any to a collector or dealer.