The value chart for a 1900 silver dollar is available on many reputable sites such as Coininflation.com and CoinTrackers.com. According to cointrackers.com, this Morgan silver dollar has a value of $33 in poor condition and can be worth as much as $1,500 in perfect condition.
Several factors determine a coin’s collectible value. One factor is the number of coins in circulation. The 1900 San Francisco-minted Morgan silver dollar is the rarest of the silver dollars minted in 1900. Another factor is the melt price of the metal which changes, sometimes daily, based on the currency markets. Coininflation.com shows the melt price of the Morgan silver dollar was $12.12 on March 13, 2015.