Subject of the commemorative coin:
 Cave of Altamira and the Paleolithic cave art

 Description:
 In the foreground is the cave painting of a bison from the cave of Altamira, located in Cantabria. At the top, in an arch and in capital letters, is the word “ESPAÑA”; at the bottom is the year of issuance “2015” and to the right is the mint mark. The coin’s outer ring depicts the 12 stars of the European flag.