This depends on what the coin is made of. If it is made of silver or gold it will be worth more than if it was made of copper or zinc.
You do not specify what country it is from or what the denomination is. Whatever the coin is, the melt value will be whatever the current price of gold is. Alternatively, it will probably be worth more as a collectible coin.
It depends on what coin you have. Different denominations are different sizes and made of different materials and then have a different melt value.
The value of a silver coin is always changing because the value of silver is always changing. See the related link below for a silver coin value calculator. This does not give the actual value of the coin but it does give the value of the metal used to make the coin. This is know as the melt value.
Melt
The melt value of a coin, including the Ronald Reagan 10 Liberian coin, depends on its metal composition and current market prices for those metals. The Ronald Reagan 10 Liberian coin, issued in 2009, is primarily made of nickel and copper, with its value tied to the prices of these metals. To find the exact melt value, you would need to check the current market prices for nickel and copper and calculate based on the coin's weight and composition.
intrinsic value If a coin had value because of its metal content, you would refer to the "bullion value" or the "melt value" of the coin, as versus the "numismatic value" that a coin which was rare or in exceptional condition would have.
I deal typically with melt value, your coin is worth about $1.81 melt value with 80% silver. However, you may want to check this coin on Ebay coins to see if it is worth more as a collectible.
In US dollars it has a melt value of $1.37. It is illegal to melt these coins for the metal they contain.
Melt value is $62.62
The melt value, which only takes into account the coin's metal content and not its collector value, is currently about $5.
About $2.20 for the silver. It is a common coin only worth melt value regardless of condition.
At 1600 gold market has a melt value of approx $200