All $1 coins minted from 1794 to 1935 (with many gaps) are made of an alloy of 90% silver and 10% copper. Weights changed over the years but most of them contain about 24 gm of pure silver so they're worth at least $15 given current (2010) silver prices. Of course many are worth quite a bit more to collectors but it depends on date, condition, and mint mark.
No circulating $1 coins were minted from 1936 to 1970. From 1971 to 1999 all circulating $1 coins were made of the same copper-nickel "sandwich" as dimes, quarters, and halves. Starting in 2000, the new "golden" dollars have been made of a manganese-brass alloy bonded to a copper core.
The Mint also struck some $1 coins in 40% silver for sale to collectors during 1971-74 and 1976.
Modern "silver eagles" made since 1986 carry an artificial $1 denomination but are sold for investment, not spending. They contain 1 troy ounce of .999 pure silver and their price fluctuates with the current market price of the metal.
10-20 years for counterfeiting. No US silver dollars were minted 1929-1933.
The first US silver dollars were dated 1794. You may have a fantasy piece or one of the huge numbers of fake "dollars" that have flooded the market in recent years. It would have to be inspected in person to be certain.
All US half dollars dated 1964 and prior are 90% silver (worth about $11 in scrap silver) All US half dollars dated 1965-1970 are 40% silver (worth about $5 in scrap silver) All US half dollars dated 1971-present that are circulating contain no silver and are only worth 50 cents. (The US does strike commemorative half dollars and proof silver half dollars for collectors but these are almost always found in mint packaging, not as a loose half dollar).
There were no silver dollars made in the US in 1946.
U.S. silver dollars dated 1935 or earlier contain 90% silver.
10-20 years for counterfeiting. No US silver dollars were minted 1929-1933.
None, because there's no such thing. There were no US silver dollars minted during the years 1905-1920.
The first US silver dollars were dated 1794. You may have a fantasy piece or one of the huge numbers of fake "dollars" that have flooded the market in recent years. It would have to be inspected in person to be certain.
US Trade dollars have more silver in them than Morgan dollars do. But in general the Morgans have higher values.
All US half dollars dated 1964 and prior are 90% silver (worth about $11 in scrap silver) All US half dollars dated 1965-1970 are 40% silver (worth about $5 in scrap silver) All US half dollars dated 1971-present that are circulating contain no silver and are only worth 50 cents. (The US does strike commemorative half dollars and proof silver half dollars for collectors but these are almost always found in mint packaging, not as a loose half dollar).
There were no silver dollars made in the US in 1946.
No, the US didn't make any silver dollars in 1932.
The US didn't make any silver dollars in the 1960s.
The silver melt value of 820 US half dollars is $10,113.74. The silver melt value of 820 1965-70 US half dollars is only $4,135.40.
U.S. silver dollars dated 1935 or earlier contain 90% silver.
The price per gram of silver is 0.62 US dollars for pure silver as of August 2014. The price per ounce for silver is 19.36 US dollars.
US dimes, quarters and half dollars dated 1964 and before contain 90% silver. Half Dollars from 1965 to 1970 contain 40% silver. The 1942 - 1945 nickels have 35% silver. Silver dollars dated 1935 and before have 90% silver.