Check the date on the coin - look for '1776-1976' on the bicentennial half dollar.
Inspect the mint mark - coins minted in Denver have a 'D' mark, while those from Philadelphia have no mint mark.
Examine the condition - a well-preserved coin with minimal wear can fetch a higher value.
Look for any errors or varieties - certain mistakes or unique features can make the coin more valuable.
Consult a coin expert or use online resources to determine the rarity and potential value of your bicentennial half dollar.
Sell your rare bicentennial half dollar through reputable coin dealers or online auctions to get top dollar for your valuable coin.