The best choice would be to take it to a coin shop and have it appraised.
The value of a 1799 coin depends on the coin's denomination such as dime or quarter. It also depends on what country the coin came from, where it was minted and the condition of the coin. Without that information, it is impossible to state a value.
Of the 4 US coins that are dated 1799 all have Liberty on them a denomination would help.
The only U.S. coin dated 1799 in the weight range, is a $10 gold eagle at 17.50 grams.
No US 1799 coin will have a mintmark, all were struck in Philadelphia.
The value would depend upon the denomination and the condition of the coin.
Try a coin dealer or take it to a coin show.
yes
its fake o silver dollars were made in 1799
Please post a new question with the coin's denomination.
A genuine circulated example of this coin will have a retail values of $1,000.00 to $15,000.00
Of the 4 U.S. coins that are dated 1799 all have the word "LIBERTY" on them, a denomination is needed. Post new question.
The U.S. didn't strike any quarters dated 1799. Your coin is either a fantasy piece or an outright counterfeit.