This will need a hands-on appraisal by someone knowledgeable in antique firearms- and it will depend on exact make, model, and condition- none of which you gave us. By the way, the 44-40 cartridge was not developed until 1873.
50 USD
You will have to get it lettered by Colt to see if it is original. If not, 100-500 USD
500,000
It is worth around 200 to 600 dollar
The word of God.
800 dimes make $80.
depending on condition of your revolver it would be worth 775.00 dollars in 50% condition up to 1,000 in 70% condition.
i have found this old revolver in a pawn shop for 20 bucks how much is it worth
50 or so
50-150 or so
Type in "1871 Liberty Seated dollar coins" in your search box an click images. This will show you the coins.
as much as somebody will pay!