Break it out of the slab and have it graded by a reputable service. It probably does not deserve an MS64 and may not even make MS60.
In 1861, the only Seated Liberty Dollar was minted in Philadelphia; its value in good condition (G4) is: $400.
This is the final year that the Peace Dollar was minted. The value in decent condition is about $40. I'm not sure what the "D" means. This coin was minted in Philadelphia and Sacremento only. My source doesn't indicate that they were minted in Denver (D)
The current face value of all presidential dollar coins is $1. Remember, they're brass, not gold. Presidential dollar coins minted at Philadelphia and Denver are worth a dollar even if they are uncirculated. Proof-quality presidential dollar coins minted at San Fransisco are worth $3.
One Dollar. They are being minted for circulation.
There were no dollar coins minted that year.
All 1882 Trade Dollars are a "Proof" only issue. All were minted in Philadelphia, none at Carson City. So if you have an 1882-CC Trade Dollar it's a fake with no value.
There was no 1926 British "Trade Dollar" minted.
Silver Dollars were minted starting in 1794. There were no silver dollars minted in 1791
It's a Walking Liberty half dollar with a value of about $13.00
50 Cents
There were no silver dollars minted in 1945.
Yes, it's worth its face value.