Check out CoinTrackers.com or PCGS.com to obtain the value of your 1977 Eisenhower Silver Dollar. The value of your coin ultimately depends on its condition and where it was struck.
According to CoinTrackers.com, Eisenhower Dollars minted in Denver (D) and Philadelphia (no mint mark) typically fetch $1.50 to $3 from collectors in average, circulated condition. Those minted in San Francisco bearing the (S) mint mark have a 40 percent silver content and bear a numismatic value of at least $5, based on the current market value of the precious metal. PCGS.com includes precise values for each version of the 1977 coins based on their overall condition.