Need more information. What is its denomination? In any case, assuming it's a standard circulation coin it is probably not worth anything beyond face value. Denmark is one of the 3 original E.U. states that kept its old currency instead of adopting the euro in 2002, so it could easily be just a normal circulating coin.
No
50 cents.
How much is a 1988 madero 500 worth
Such a coin does not exist. The Australian Two Dollar coin was first issued in 1988.
The first Australian "Baby" coin sets were produced in 1993.
The first Australian Two Dollar coin was issued in 1988.
About a cent if you can sell them in bulk
The 1988 Olympic $5 Gold Coin was issued to commemorate the participation of the United States in the 1988 Olympic Games held in Seoul, Korea. This gold coin was issued in addition to a silver dollar.
Current retail value is $8.00 issue price was $11.00.
A common coin, found in dealers' misc. foreign bins for 25 cents.
8.00 USD
$3 to $80 depending upon the condition of the coin.