What is value of 1898 silver half dollar?

Assuming the coin is circulated and has no mintmark, the 1898 is a fairly common date Barber half dollar. For an accurate assessment of value the coin needs to be seen and graded. Most coins show a lot of wear. In general retail values for low grade coins are $14.00-$30.00, better grade are $50.00-$180.00 and coins showing almost no wear run from $300.00-$500.00. 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.