Please check your coin again. It's a dollar rather than "doolar" and it can't be from 1847 because the Carson City Mint opened in 1870.
2 doolars! (-:
There were no silver dollars minted in 1952.
Check that date or denomination again. There were no silver dollars minted that year.
Check that coin again. There were no U.S. silver dollars minted that year.
Anything minted in the 1970s is made of copper-nickel, not silver, and is only worth face value.
The last year Carson City struck Seated Liberty halfs was 1878
Check that coin again. There were no US silver dollars minted that year.
The only silver dollar minted by the US Treasury in 1900 was the Morgan Dollar.
U.S. dimes minted in 1966 contain no silver, and are worth 10 cents.
No such thing. There were no U.S. silver dollars minted in 1920.
Check that coin again. There were no US silver dollars minted that year (or decade).
The U.S. never minted a silver penny. It would have more than a dime's worth of silver in it. Your coin has been plated.