Spain uses the Euro. You can look up the current exchange rate against your own currency (US$, or whatever) - which of course changes all the time - on online sites such as xe.com.
As for older coins (like Pesetas or Spanish Dollars), the value depends on the specific coin in question, its age, rarity, condition, and other factors.
How much ancient coins are worth depends on where they are from and in what condition they are. It also depends on how rare they are.
They are bullion coins and are worth only what the metals they are composed of are worth.
It depends on what coins they are.
The yellow coins are worth 1, the red coins are worth 2, and the blue coins are worth 3.
Now its 100 coins and silver is worth 200 coins.
1 yocash = 100 coins
100 coins = £1
The brass $1 presidential dollar coins are only worth $1.
The silver dollar Constitution coins are worth about $7.00 apiece. The gold $5 Constitution coins are worth about $100.00 apiece.
It very much depends on which coins are in the books and the condition of the coins.
Not much, they are worth their face value
These coins are NOT rare and are worth face.