that year they had two different types of silver dollars the Morgan Dollar and the Peace dollar
There is around .77 ounces in a 1921 US silver dollar.
A 1921 US silver dollar contains .76 troy ounces.
A 1921 Morgan dollar is worth about $25.00
There is .77344 of a Troy ounce (a little than 24 grams) of pure silver in a 1921 U.S. silver dollar.
1922 silver dollar with closed eagle wings
A 1921 Half Dollar is 90% silver. It has a melt value of somewhere around $12. The related link below has more information.
there were two silver dollars struck in 1921. the Morgan dollar and the peace dollar. Send more specific info; condition might be helpful too.
Yes. That's a Morgan silver dollar.
a 1921 Morgan silver dollar mint San Fransisco is worth about 18-30,000 dollars depending on the condition if uncurculated