The value of a 1928 Peace silver dollar ranges from $35.97 to $403, according to the 2014 listings from CoinStudy.com. The minimum value is based on the market price of silver. When the commodity value of silver is $20.57 per troy ounce, the melt value of the coin is $35.97.
The value of the coin is determined by its condition and its mint mark. Coins in good condition minted in Philadelphia are valued at $236, followed by $287 for coins in fine condition, $298 for coins in extremely fine condition and $403 for uncirculated coins. For San Francisco coins, the prices are $35.97, $36.65, $47.46 and $123.