Assuming it doesn't have a mintmark, the value is around $234 as of 9/2013.
The 1934-D Peace dollar in the AU range has retail values of $41.00-$70.00 depending on the grade the coin falls into.
It's worth between $22 and $30 in average condition, and a little over $100 in uncirculated condition.
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.
You possess a Peace Dollar - a 1935 coin in very fine condition (VF20) is worth: $25.00.
It's worth about $28 in average circulated condition and up to around $120 in uncirculated condition.
Better check your dates again. The only U.S. half dollar with a 1922 date is a Grant Memorial Commemorative. In circulated condition, it's worth about $60. If you have the variety with the extra star, then about $450
Two different US one dollar coins were made in 1921. One is a PEACE dollar the other is a MORGAN dollar. A Peace dollar is worth more than a Morgan, it has the word PEACE on the rock on the reverse of the coin the eagle is standing on, it's worth at least $70.00 and the Morgan is $33.00-$39.00 but only IF the coins are in collectible condition.
As of May 24 2011 The values are as stated.A 1926 Peace Dollar with no mint mark in "poor" condition is worth around $19. One in "uncirculated" or "close to uncirculated" is worth around $470. Even the slightest ware will put down value.A 1926D Peace Dollar in "poor" condition is worth around $22 depending on condition. One in Uncirculated or very close to uncirculated is worth around $725 varying greatly on condition.A 1926 S Peace Dollar in poor condition is worth around $24. A 1926 S PeaceDollar in uncirculated or close to uncirculated condition is worth around$1,000 varying greatly upon condition.The current melt value of all peace dollars is $27.88. This will change as the price of silver changes.To mintmark is located below the word "one" on the reverse.
Please see this link
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
1923 Peace dollars in circulated condition are rather common and are worth $23 in silver content. Coin in uncirculated condition, however, are worth more. But in average condition it is worth about $23 for the silver in it. 1923 Peace Dollars are about the most common date of the series.
1924 is a Peace dollar, not Morgan. It's not a rare date, so the value is $20-30 depending on condition. Then a '24-S is worth a little more.