Check the date on the coin - 1976 Bicentennial dollars have '1776-1976' on the obverse side.
Look for the double die error - Some coins have a double image due to a minting error, increasing their value.
Inspect the mint mark - Coins minted in Denver have a 'D' mark, while those from Philadelphia have no mint mark.
Examine the condition - Coins in uncirculated condition are more valuable, look for minimal wear and sharp details.
Consult a coin expert - If unsure, seek a professional opinion to authenticate and determine the coin's true value.
Sell with caution - If you have a rare 1976 Bicentennial dollar, consider selling through reputable coin dealers or auctions.