Conjoined heads of Juan Carlos and Sofia left. Date below.

Juan Carlos I (born 5 January 1938) reigned as King of Spain from 1975 to 2014, when he abdicated in favour of his son, Felipe VI.

In 1969, Francisco Franco, the Spanish dictator chose Juan Carlos, grandson of King Alfonso XIII, to be the next head of state, bypassing his father Juan de Borbón and expecting him to continue Franco's own authoritarian regime. Juan Carlos became King on 22 November 1975, two days after Franco's death, the first reigning monarch since 1931.

Queen Sofía (formerly Princess Sophia of Greece and Denmark, born 2 November 1938) is the wife of King Juan Carlos I. Born a Greek princess, she became Queen consort of Spain upon her husband's accession in 1975. On 19 June 2014, Juan Carlos abdicated in favour of their son, Felipe VI.

Engraver: Manuel Martinez

Depicts the coat of arms of Spain. Vertical value at right. Hologram and mint mark (crowned M) above.

The Spanish coat of arms is composed of six other arms: castle of Castile, lion of León, stripes of Aragon, chains of Navarre, pomegranate flower of Granada and fleur-de-lis of the House of Bourbon. The escutcheon represents the currently reigning dynasty Bourbon-Anjou.

On either side of the coat of arms are the Pillars of Hercules, the mythological name given to the Straits of Gibraltar. The banner round the pillars is the national motto of Spain "Plus Ultra" which means "further beyond" in Latin, referring to the Americas and the former Spanish territories. Over the pillars are two crowns, one an Imperial Crown and the other a Royal Crown. King Charles I of Spain was also the Holy Roman Emperor Charles V, hence the Imperial Crown.

Engraver: Luis Jose Diaz

Reeded with imprints