How much is worth a coin 10000 bolivares 1987?

There were 50,000 of these Proof 10,000 Bolivares minted that one year and it contains 9/10 of an ounce of gold. It may be worth about $900 depending on the price of gold and collector demand. You may find similar pieces on Ebay.com for comparison. You might also try a library for a copy of the Standard Catalog of World Coins for pictures, values and lots more interesting info. Brad