Peace dollars were made from 1921 to 1935. An 1879 silver dollar is called a Morgan dollar after its designer George T. Morgan. There's more information at the Related Question
What is the value of a 1928-S peace silver dollar?
The Morgan Silver Dollar can range from $25 to $70, and the Peace Silver Dollar from $50 to $300.
It's actually called a Peace dollar. Its value is around $14 to $16 for its silver content.
The 1935 Liberty silver dollar is also known as the peace silver dollar. The value od a circulated 1935 liberty silver dollar is approximately $36 depending upon condition.
The first Peace dollars were struck in 1921.
The 1924 silver dollar is called a Peace dollar because it says Peace on the side with the eagle. It is worth about $25 for the silver alone. If the condition is better, it is worth more.
Year: 1922D Mintage 15,063,000 Numismatic Value Range: $14 - $400$8.6870102468 is the total melt value for the 1921-1935 silver Peace dollar on January 16, 2009.ref:http://www.coinflation.com/coins/1921-1935-Silver-Peace-Dollar-Value.html
Each Peace dollar contains 0.77344 troy ounces of silver and is valued at $17.26 when silver is at $22.36 per ounce.
The last Peace dollar was issued in 1935 so it can't be a 1942 Peace dollar. Look at the coin again and post new question.
There's a Peace dollar but not a war dollar. Please see the Related Question.
No US silver peace dollars were struck in 1929 or 1930.
All Peace dollars are 90% silver. The current silver value is $15.28. The collectible value depends on the the date, mintmark and condition of the coin.
The 1924 Peace dollar is not scarce or rare. A certified example in MS-64 has a average current market value of $75.00.
1879 S is not a rare date for Morgan dollars. On average if they are in circulated condition they are worth $16.50.
If silver is at a spot price of $37.90 per oz a peace dollar would have a melt value of $29.32.
If the coin is a real Morgan or Peace dollar. The value is just for the silver, about $20.00.
A 1926 Peace dollar has a value of $15.00-$29.00 for average coins
A 1924 Silver Dollar would include the Peace Dollar. If its mint state is very good (VG-8), the value is: $20. Should the mint state be MS-60, the value increases to: $35. A 1924 silver dollar is a Peace dollar, values for circulated coins are $17.00-$26.00. The term "Mint State" is used only for uncirculated coins.
There is no 1921 barber silver dollar, it is either a peace dollar (eagle perched on a rock engraved PEACE on the reverse) or a Morgan dollar (Eagle with gothic lettering above it saying "In God we Trust" on the reverse)
A 1922 dollar with the word "Peace" on the back would be a Peace dollar rather than a Morgan dollar. "Morgan" refers to George T. Morgan, the artist who designed the silver dollars minted from 1878 to 1904 and in 1921. There's more information at the question "What is the value of a 1922 US silver dollar?"
A 1922-D Peace Dollar in very good condition (VG8) is worth: $20; if its mint state is MS60, its value increases to: $35.00
As of 26 October 2017, the melt value for a Peace silver dollar is $13.13.
It's worth about $12-14 just for the silver but it may be worth more as a collectible. Please check the specific questions "What is the value of a <date> US silver dollar?" where <date> is the date on your coin.
What is the value of an 1864 silver dollar.