These are Morgan Silver dollars. They contain 90% silver and 10% copper.
what is the current value of an 1878 silver dollar
The coin is a 1878 Morgan silver dollar and is common with values of $17.00-$31.00 in average circulated condition
The 1922 silver dollar, commonly known as the Peace dollar, contains 90% silver and 10% copper. Each coin weighs approximately 26.73 grams, with about 24.06 grams of that being silver. This composition was standard for U.S. silver dollars minted from 1878 to 1935.
$27 to $55,000
A circulated 1878 Morgan silver dollar can be worth 32 to 156 dollars.
See related answers.
The US struck a gold and silver one dollar coin in 1878, post new question as to type of coin.
Mintmarks are on the reverse above the letters DO in dollar
Silver dollars were 90% silver with 10% copper, with a total weight of 26.73 grams.
The only value is if there is silver in it, if not no collection value at all.
Morgan silver dollars were not minted until 1878.
If it is a "S" mintmark Eisenhower dollar, it's 40% silver, if not, no silver.