The term Spanish Gold Coin refers to two coins, the pistole and the DOUBLOON. The pistole is a seven-letter gold coin that was used in Spain during the 16th and 17th centuries. It was also used in other parts of Europe and the Americas. The DOUBLOON is an eight-letter gold coin that was used in Spain and its colonies from the 16th century until the 19th century. Both coins were made of gold and were used as currency.