The 1881 Morgan is very common, circulated coins are $17.00-$26.00 depending on how much wear the coin has. Mint State coins are in the $30.00-$50.00 range.
Peace dollars were minted from 1921 to 1935. A dollar dated 1898 would be called a Morgan dollar, after its designer George Morgan.
1924 would make it a Peace dollar, not a Morgan. It's also not a rare date, so the value is mainly for its silver content. At present, a '24 or '24-D dollar is worth $22 to $30 depending on condition, while a '24-S is worth a bit more.
It's a very common Morgan dollar with values of $17.00-$26.00 for circulated coins
1879 would make it a "Morgan" dollar.
The actual value would be based on the worth of each coin in the set.
The date of 1891 would make it a Morgan silver dollar. Assuming the coin is circulated and does not have a mintmark, current values are from $25.00-$50.00 depending on the condition (grade) of the coin.
As of 10/2008 an 1896 Morgan/Liberty Head Silver Dollar minted in Philadelphia in fine condition is worth $18.00, uncirculated is worth $34.00, proof is worth $1,300.00 It is a fairly common date - it would be worth $17 - $22 in circulated condition, and perhaps $35 - $70 in uncirculated condition (depending on just how uncirculated it was - you'd need a dealer or other specialist to judge the condition for you).
The first silver eagle was made in 1986 not 1879. It's called a MORGAN dollar after the designer George T. Morgan and assuming it's circulated and has no mintmarks, retail value is $17.00-$26.00 the date is very common.
The date of 1891 would make it a Morgan silver dollar. Assuming the coin is circulated and does not have a mintmark, current values are from $25.00-$50.00 depending on the condition (grade) of the coin.
A U.S. silver dollar dated 1892 would be a Morgan dollar. Your description of the reverse as "180 grades" means nothing in numismatic terms. Please post new question.
The last Morgan dollars were minted in 1921. The Peace design was introduced in December of that year, so any silver $1 coin dated 1922 would be a Peace dollar, just as it says on the coin's back side. The last Morgan silver dollars were minted in 1921. Your coin is called a Peace dollar. A 1922 peace dollar that was made at Philadelphia in circulated condition is worth an average of $25. This reflects the silver content. If it shows significant wear it won't be worth much more than that. If it is uncirculated they are worth up to $900 depending on quality.
The date of 1884 would make it a Morgan silver dollar. Assuming the coin is circulated and does not have a mintmark. Current values are from $30.00-$40.00 USD depending on the condition (grade) of the coin.