The last Morgan dollars were minted in November 1921. All 1922 silver dollars carry the famous Peace design.
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A 1922 dollar with the word "Peace" on the back would be a Peace dollar rather than a Morgan dollar. "Morgan" refers to George T. Morgan, the artist who designed the silver dollars minted from 1878 to 1904 and in 1921. There's more information at the question "What is the value of a 1922 US silver dollar?"
Matte proofs have a duller, almost sandblasted appearance. There are contrasting images at the site linked below:
They stopped making Morgan dollars in 1921.
The Morgan series ended in 1921. Your coin is a Peace dollar. In any case, both Morgan and Peace dollars contain .77344 oz of pure silver.
None, no Matte or Satin Finish proofs were struck at the Denver Mint. Only at the Philadelphia Mint.
A 1922 matte proof Peace Silver Dollar is very rare - if you are fortunate to possess one, its value is at least $60,000! The term "matte" refers to the coin's appearance. Instead of having a very shiny surface, matte proofs look as if they were very finely sandblasted. There's an excellent set of pictures at the following link: www.coinfacts.com/silver_dollars/peace_dollars/1922_peace_dollar.htm
For the Peace dollar series 1935 is not a rare coin. The only rare Peace dollar is the 1922 high relief matte proof coins.
1921 was the last year for Morgans, so 1922 is a Peace dollar. It's worth about $27.
The last Morgan dollar was struck in 1921. The dates 1922 & 1923 are Peace dollars and both have the same values of $16.00-$19.00 for circulated coins.
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.
6-11-11>>> The last Morgan dollars were dated 1921. Your 1922 coin is called a Peace dollar and this date is the most common of all Peace dollars, the value is $36.00-$41.00 depending on grade and if it has any mintmarks.
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.