It is 90% silver and 10% copper. It has a total weight of 26.7 grams.
U.S. silver dollars dated 1935 and earlier weigh 26.73 grams and contain 90% silver.
A US silver dollar from 1840 to 1935 contains .77344oz of pure silver.
Dollar coins made in 1935 and before contain .77344oz of pure silver.
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
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.
All US silver one dollar coins from 1840 to 1935 contain 0.77344 troy oz of pure silver, alloyed with 10% copper for hardness.
It has a total weigh of 24.6 grams.
All silver dollars through 1935 should weigh 26.73 grams, and possibly slightly less if it's heavily worn.
Canadian silver dollars (dated 1935-1967) were 80% silver with 20% copper, with a total weight of 23.33 grams.
You possess a Peace Dollar - a 1935 coin in very fine condition (VF20) is worth: $25.00.
A real silver dollar struck in 1935 or before weighes 26.73 grams with a actual silver weight (ASW) of .77344oz of pure silver. So 26.73 grams X 28 coins = 805.28 grams or the ASW .77344 X 28 = 21.65632oz of pure silver
The U.S. did not mint any dollar coins in 1960.