Assuming the coin is circulated and has no mintmark, the 1926 Peace dollar is a high mintage common date, retail values are $31.00-$44.00 depending on the grade of the coin.
Value is $17.00-$26.00
Currently a 1880 S Morgan silver dollar in MS65 uncirculated condition is worth $156.
On a 1926 Peace dollar the mintmark is above the eagles tail not below it. Look at it again and post new question.
42cents
About $27.
Value is $17.00-$26.00
One dollar.
If the coin is a 1996-S Silver Proof Kennedy Half dollar, average retail value is $12.00 to $15.00
Currently a 1880 S Morgan silver dollar in MS65 uncirculated condition is worth $156.
42cents
About $27.
Check the denomination again, the last US silver dollar was made in 1935.
On a 1926 Peace dollar the mintmark is above the eagles tail not below it. Look at it again and post new question.
A 2002-S silver proof Kennedy has an average retail value of $18.00.
The US did not mint any silver dollars in 1830.
A 1901-S Silver Dollar - aka - Morgan Dollar - is worth in a mint state of AU50: $225.00.
The silver proof 1997-S Kennedy half dollar has an current average value of $15.50.