The mintmark is above the tail, below O of ONE
1922 silver dollar with closed eagle wings
If there's no mint mark, then it was minted in Philadelphia.
About $27.
Please see the Related Question
1922 Peace dollars were minted in Philadelphia, Denver, and San Francisco.
The 1922 Peace dollar is so common, circulated examples are only $16.00 to $19.00 retail. Mint State examples run from $25.00-$35.00
The 1922-S Peace dollar is so common, circulated examples are only $16.00 to $19.00 retail. Mint State examples run from $25.00-$35.00
If it has one it's just above the eagles tail on the reverse.
The 1922 Peace dollar is very common. Circulated examples are $30.00-$36.00. Typical Mint State coins are $38.00-$43.00
The 1922 Peace dollar is the most common of them all in any grade. Typical Mint State coins are in the $41.00-$55.00 range.
An "S" mintmark just means that the coin was made in the San Fransisco Mint.
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