The average weight of these coins is about 27 grams for a relatively unworn specimen, but because there are multiple varieties and they were struck at different times - none actually in 1804 - weights can vary. Also remember that all "official" 1804 dollars have been accounted for long ago. Copies, replicas, and outright fakes are all over the place.
July 10 1804 ended
Yes after fighting the french from 1791-1804 in what became termed the Haitian Revolution.
Alexander Hamilton opposed Burr and won the election in 1804.
1804-1836
The US didn't strike any half dollars in 1804.
Current sales data shows all 19 of the coins each have a value of one million dollars, one example sold for more than 4 million.
There were no Morgan silver dollars minted in 1804. The first year of mintage for them was 1878.
No Crowns (Five Shillings) or Halfcrowns (Two Shillings and Sixpence) were struck in 1804. Please check your coin again and post a new question. The Crown represented a quarter of a Pound (or Sovereign). Halfcrowns were issued much more regularly because they were useful in change-making in the presence of a 6d (half-shilling) coin.
A real one has a value of well over 1 millon dollars
Morgan dollars were minted from 1878 to 1904 and again in 1921. No US dollars were minted for circulation from 1804 to 1835.
Values depend on date, type and condition of the coins. But in general dollars from 1794 to 1804 have values of $1,000.00 to Millions.
Morgan dollars were minted from 1878 to 1904 and in 1921. "1804" dollars carry a Liberty Head design were actually minted in the middle of the 19th century to make a complete set of 1804-dated coins for presentation to the King of Siam. Please see the Related Question for more information.
All genuine examples (15) of this "Classic American Rarity" have values into the millions of dollars.
The US didn't mint any silver dollars for circulation from 1804 to 1835 inclusive.
No U.S. quarter dollars exist dated 1798. Quarters were first made in 1796. None were issued again untill 1804. Please look at the coin again and post new question.
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.