Such a coin is fairly common and is not made out of any precious material and since it is in a necklace, there is no coin collector value. Any value would come from the necklace itself, most likely scrap silver/gold if the chain or bezel was made out of that.
In short, the coin is worthless and the only value comes from the necklace part itself.
About $5,000 US
The value of a 1911R c20 Italia coin can vary depending on its condition, rarity, and current demand among collectors. It is recommended to have the coin appraised by a professional coin dealer or numismatist to determine its precise value.
500000 USD
The guinea coin was not made after 1816.
it is worth around 1000-1200.
Please post a new question with the coin's denomination.
Quite a bit ! Swiss 5 Franc coins from 1931 to 1967 have 0.4027 ounces of real silver in.
How much is this coin worth
it is worth $120 per coin
What you presumably have is a James Buchanan presidential dollar coin. It was minted in 2010 and is worth one dollar.
how much is a 2002 20cent coin worth ?
How much is the Ten Dollar Independence Day coin of Bahamas worth
The coin is worth only a dollar.