The US didn't mint any silver dollars for circulation from 1804 to 1835 inclusive.
If it's a fake, it's worth little to nothing.
No US dollar coins were minted for circulation from 1804 to 1835. Look at the coin again and post new question.
The US didn't strike any half dollars in 1804.
It depends if it's struck in silver or base metal, take to a coin dealer but don't expect much.
All 19 examples of this coin have a minimum value of one million dollars each. The 1804 dollar is one of the most well known rarities of all US coins, many copy's, replicas and fakes exist.
If it is a US silver coin it can only be a Quarter or a Dime dated 1804 an needs to be sent to a top grading service.Coins of this date an type start at around 500.00 in grade G-4. If it is a Dollar coin dated 1804 its a FAKE there are only 18 known 1804 Dollars.
No silver dollars were minted for circulation from 1804 to 1835 inclusive. If your coin appears to be an 1835 dollar, it's one of the many counterfeits that have flooded the market in the last couple of decades.
A real silver dollar has a $25.00 value just for the silver.
Please check again and post a new question. The US didn't mint any $1 coins for circulation from 1804 to 1835 inclusive.