Look at the coin again and post a new question. No US dollar coins are dated 1950. Also no circulating US coin was ever made of pure silver, all were 90% silver and 10% copper.
A US silver dollar from 1840 to 1935 contains .77344oz of pure silver.
The coin has .77344oz of pure silver.
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.
The amount of pure silver in the 1925 Peace dollar is .77344oz, all US silver one dollar coins from 1840 to 1935 have this much silver in them
Dollar coins made in 1935 and before contain .77344oz of pure silver.
The 1924 silver dollar is not pure silver. It is mixture of 90% pure silver and 10% copper.
$100,000,000
Barber, Walking Liberty, Franklin, and 1964 Kennedy halves weigh 12.5 gm and were made of 90% silver, so they contain 11.25 gm of pure silver.
The 2012 American Silver Eagles coins are one ounce of pure silver.
It's a Half Dollar NOT a dollar coin. The coin weighs 12.50 grams and contains .36169oz of pure silver.
There is .77344 of a Troy ounce (a little than 24 grams) of pure silver in a 1921 U.S. silver dollar.
The actual amount of pure silver is .36169 of an ounce.