Coins from private mints like that have zero collector value and are only worth the metals used to make them. If the coin is silver, it's worth something for that. If not, it's not worth anything.
Very little.
The "S" and the "D" are called mint marks which identify which US Mint produced the coin. Coins with no mint mark prior to 1980 were minted at Philadelphia. Just having an "S" or a "D" mint mark does not mean the coin is worth more. The value of a coin is generally determined by the demand collectors and investors have for the coin. The more people who want to own it, the more it is worth.
The question does not state what denomination the 1804 coin is. Post new question.
If you mean a US one dollar Sacagawea coin, only proof and collectors coins sold from the Mint have more than face value.
Not much, such a coin was not produced by the US mint and was done outside of the mint which pretty much ruins all collector value. Serious collectors will view it as a damaged coin (and 1977 pennies aren't worth much anyways) and it is worth a cent to collectors and perhaps a bit more to someone who collects Kennedy or Lincoln memorabilia but no serious coin collector would buy it for any more than a penny.
Not much, such a coin was not produced by the US mint and was done outside of the mint which pretty much ruins all collector value. Serious collectors will view it as a damaged coin (and 1977 pennies aren't worth much anyways) and it is worth a cent to collectors and perhaps a bit more to someone who collects Kennedy or Lincoln memorabilia but no serious coin collector would buy it for any more than a penny.
If it's not a uncirculated or proof collectors coin in the mint package spend it.
The coins of this series that were struck for general circulation have only face value. Only proofs and collectors coins sold from the Mint are worth more
In 1933 the cost was less than $20.00, manufacturing the coin had to be less than face value. But if you mean a replica, likely less than a dollar.
When estimating the value of 'paper' monies, the condition, wear and tear of such item, how many were made, is it a "star" note, all have to do with the price. Search out a collectable coin shop in your area or go online in the coin/paper money categories and look for some businesses like Littleton, National Mint Collectors, New York Mint, etc.. These places will help you determine what your item is worth.
You have a Liberty Seated Dime - a very popular coin for numismatists (coin collectors). A coin minted in 1868 that is in good condition (G4) is worth: $18.00; if its mint state is MS60, the value rises to: $ 300.00.
Unfortunately none of the Bicentennial coins made for general circulation are worth more than face value. Only Proof and collectors coins sold from the US Mint are worth more. The coin is face value.