The 1881-O Morgan is a common coin, circulated coins have retail values of $17.00-$26.00 depending on grade. Mint State coins in the grade range of MS-60 to MS-63 have retail value of $30.00-$53.00
1922 silver dollar with closed eagle wings
About $107.50.
They didn't mint 1920 US silver dollars.
The coin is a Eisenhower dollar and has no silver in it. Only proof and uncirculated coins from the mint have more than face value.
About $17.00.
About $27.
42cents
About $150.
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.
Don't know what you have, but it's not a U.S. Mint dollar.
"DO" isn't a mint mark. The mint mark on a silver dollar for that year is on the reverse (tails) side, just above the letters "do" in the word "dollar."
The most common Mint State grade for an 1889 Morgan dollar is MS-63 and retail value is $53.00