1922 would make it a "Peace" silver dollar. Many images can easily be found through an internet search.
On the back, look to the left of the eagles wing.
The amount of pure silver in the 1922 Peace dollar is .77344oz, all US silver one dollar coins from 1840 to 1935 have this much silver in them.
Sorry no such coin, look at the coin again
Just type in 1922 Peace dollar on your browser and click images.
90%.
Please take another look. The image on the front of a 1922 Peace dollar is Miss Liberty. There's more at the Related Question.
1922 silver dollar with closed eagle wings
do you know how much money a silver 1872 dollar coin is and a 1922 silver dollar coin
90%
$27.
A 1922 P brilliant uncirculated dollar peace dollar is worth about $200.00. It is 90% silver and 10% copper.
All silver dollars from 1922 to 1935 carry the Peace design. There has never been a Walking Liberty silver dollar, only a 50¢ piece, and these were not struck in 1922.