If you mean where it was minted, this is generally shown by a "mint mark".
If you mean what country it came from, the easiest way to tell is to look for the name of the country, which will probably be on the coin somewhere. It may not be easy to read, since it will probably be in the language of that country rather than in English, and may not even be in the Latin alphabet.
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.
The Illinois Sesquicentennial coin came in two varieties, a Silver Proof coin and a Bronze coin. At the time, you had to buy 25 of the bronze coins to order to get to be able to purchase a silver coin.
There were many privately-produced gold coins minted when the Gold Rush started, and there are far more modern replicas. Without specific information about the coin it's not possible to determine what you have. It may be necessary to have the coin inspected in person to determine whether it's real or a copy.
There is not enough information to identify this coin. Please examine it, determine its denomination and then submit a new question .
If you think you actually have the 20th known example of this coin you don't. Just take it to any coin dealer or collector for an assessment.
The best way to do that is to take it to a coin collector.
Bring it to a reputable coin dealer and they will identify it and give you an opinion on its authenticity. Most coin dealers will not charge you for this service.
Determine how many were minted, when and where and the numismatic grade and, last but not least, the availability of the coin for purchase
you see what it is worth by seeing how shiny it is how old it is and if it is not scratched up then you bring it to a coin professional
The year of any coin does not determine the grade that's judged by how much wear the coin has.
The coin needs to be seen to determine this, take it to a dealer or collector for an evaluation.
By putting it in hot water for a week
No British general circulation coin will contain any precious metal. If the coin is silver or any other precious metal, it will say so on the packaging the coin came in and on the Certificate of Authenticity that possibly came with the coin when it was purchased.
Depending on the the condition of the coin the worth of the penny will vary.Ê The current value of the coin varies from $36.00 to $950.00 and determing the value the grade of the coin will determine the value of the coin.
A professional coin dealer or a professional coin grading service can determine if a coin is circulated or uncirculated. They will assess various characteristics of the coin, such as its condition, surface quality, and wear, to make this determination.
The value of an undated coin can vary widely depending on its condition, rarity, and historical significance. It's best to have the coin evaluated by a professional coin dealer or appraiser to determine its worth.
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.