If you're unsure, check the weight. Silver dollars (not the copper/nickel Eisenhower dollars) should weigh 26.73 grams.
An 1847 seated silver dollar = =
A silver dollar from the year 1020 is worthless, as it is a counterfeit.
Check the weight. An authentic US silver dollar should weigh 26.73 grams. If the coin is heavily worn, the weight might be just slightly less.
It is a counterfeit.
A couple of years in a Federal penitentiary.
If you have a U.S. silver dollar dated 1790, then you have a counterfeit. The mint did not start making silver dollars until 1794
No simple answer for this question, some fakes are very poor and others are excellent. If you have doubt about a coins authenticity show it to a dealer or collector for an opinion.
Yes, I have some counterfeit coins, they are used for reference and teaching tool's.
Not many fake coins are made from real silver or gold. Take it to a jeweler to be tested, most will do this for you.
Sorry, silver dollars don't have genders.
Take it to a bank, they will be able to tell you if it really is genuine.
Its probably only worth its weight in silver. As long as it is not sold as being real and is clearly sold as a replica or example of a counterfeit item, it is legal to sell.