By law, all modern replica coins must have that word or COPY worked into the design somewhere. It can be small so you may need a magnifying glass.
If you can't see the word COPY or REPLICA, you'll need to take the coin to a dealer or appraiser and have them run a specific-gravity test. That will help determine whether it's made of gold or just base metal.
Replica coins are required to have the word "COPY" stamped on them somewhere.
All replica coins sold in the USA are required to be marked with the word "COPY" in a conspicuous location on the coin. If a replica does not have the word "COPY", then it is a counterfeit.
There is no difference. They are the same coin but many people refer to them as "Liberty Dollars".
Aside from the minor differences in design, the greatest difference between the US Trade Dollar and the Seated Liberty Dollar is the weight. The Liberty Seated Dollar weighs 26.73 grams while the US Trade Dollar weighs 27.22 grams. Both contained 90% silver and 10% copper altthough the Trade Dollar had slightly more silver in it. The Trade Dollar was issued primarily for circulation in the Orient while the Seated Liberty Dollar was issued for circulation in the USA.
If you go to a Mint website, you will find the difference between Genuin & Replica. If your coin is Genuin, then is is worth about $1000.00 US dollars. If is a Replica, it is worth $1.00 US dollar.
The Liberty Half Dollar - also called the "Barber" Half Dollar - has an image of Liberty's Head with the Eagle Crest image on the reverse, and was minted from 1892 to 1915. The Walking Liberty Half Dollars - or "Walkers" - show an entire Liberty's body walking, with a reverse showing a side view of an eagle perched on a rock, and was minted from 1916 through 1947.
If it is a replica, not much. The only value in replica currency is the materials it is made out of, for an example a silver seated liberty quarter replica would be worth no more than its silver content, regardless of what date it said on the coin because it is a replica.
The replica will have the word "COPY" stamped an it somewhere. All replicas of coins must have that stamped on it somewhere. If it is not stamped with "COPY" it is probably a real deal.
Other than the fact that a 1979 SBA dollar coin is about the size of a quarter, a Liberty Lobby coin is a large 1 ounce silver round with the LL logo on the reverse.
First, no US coin of any type is referred to as a "Lady Liberty coin", but the symbolic portrait of Lady Liberty is on most older US coins such as the Morgan Dollar series. So the Morgan and the lady liberty are the same coin.
The U.S. Mint did not issue any gold $20 coins with a Liberty Bell dated 1904. It's likely a copy or replica of some kind.
The biggest difference is Peace dollars exist and Liberty dollars don't. A very common mistake non-collectors or amateurs make with US silver dollars is they think because the word LIBERTY is on the obverse of a Peace dollar (or other coins) it's called a liberty dollar. No US coin is referred to as just a "Liberty" coin. Also this comes up with Morgan dollars, but with the national motto E PLURIBUS UNUM because it's on the front of the coin.