A Morgan silver dollar from 1879 is worth between $27.19 to $3,278, as listed in CoinStudy's 2014 price guide. The exact value of the coin depends on its condition and mint mark.
Coin collectors grade the condition of a coin on a scale of good, fine, extremely fine and uncirculated, with uncirculated coins worth the most. For the year 1879, the most valuable coins carry a mint mark from Carson City, with an uncirculated CC coin valued at $3,278. Uncirculated New Orleans coins are the next most valuable, worth $75.22, followed by $46.99 for coins from Philadelphia and $44.44 for those from San Francisco.