The end of WW I
Peace dollars were minted from late 1921 until 1935, and were issued to commemorate the end of WWI. They're easily identified by the word PEACE on the back. If your dollar is dated 1896 it's called a Morgan dollar, after its designer George T. Morgan. Please see the Related Question for details.
You're describing a 1923 US Peace dollar, called that because it was struck to commemorate the end of WWI. There's more information at the question "What is the value of a 1923 US silver dollar?"
It's normally referred to as a Peace dollar due to its reverse side and the fact that it was issued to commemorate the end of WW1 Please see the link below for its current value.
The is no 1921S Peace dollar; Peace dollars were not produced in San Francisco ("S" mintmark) in 1921. If your 1921 dollar coin is a Peace dollar, it was produced in Philadelphia and has no mintmark; if it has an "S" mintmark, it is a Morgan dollar produced in San Francisco).
The last Peace dollar was issued in 1935 so it can't be a 1942 Peace dollar. Look at the coin again and post new question.
The 1921 Peace dollar was minted to commemorate the end of World War I.
Peace dollars were minted from late 1921 until 1935, and were issued to commemorate the end of WWI. They're easily identified by the word PEACE on the back. If your dollar is dated 1896 it's called a Morgan dollar, after its designer George T. Morgan. Please see the Related Question for details.
You're describing a 1923 US Peace dollar, called that because it was struck to commemorate the end of WWI. There's more information at the question "What is the value of a 1923 US silver dollar?"
It's normally referred to as a Peace dollar due to its reverse side and the fact that it was issued to commemorate the end of WW1 Please see the link below for its current value.
they plant the tree of great peace
The is no 1921S Peace dollar; Peace dollars were not produced in San Francisco ("S" mintmark) in 1921. If your 1921 dollar coin is a Peace dollar, it was produced in Philadelphia and has no mintmark; if it has an "S" mintmark, it is a Morgan dollar produced in San Francisco).
They stopped making the Peace dollar in 1935.
The image on the 1923 Peace Dollar is that of Lady Liberty.
To commemorate Australia's centenary of Federation.
These coins are called Peace dollars. They were struck to commemorate the end of WWI and have the word PEACE on the reverse.
The last Peace dollar was issued in 1935 so it can't be a 1942 Peace dollar. Look at the coin again and post new question.
Type in Peace dollar in your browser and click images.