The term 'Former Spanish Coin' refers to four different coins that were used in Spain in the past. The first coin is the REAL, which was a silver coin that was used in Spain from the 16th century until the 19th century. The second coin is the Peseta, which was a decimal currency that was used in Spain from 1868 until 2002. The third coin is the Duro, which was a gold coin that was used in Spain from the 16th century until the 19th century. The fourth coin is the Dobla, which was a copper coin that was used in Spain from the 16th century until the 19th century.