• Obverse: Portrait of King Juan Carlos I, inscription: JUAN CARLOS I REY DE ESPAÑA.

• Reverse: Denomination 25 PESETAS with the year 1980 and national symbols.

• Composition: Copper-nickel.

• Weight: 12 g.

• Diameter: 30 mm.

• Edge: Milled.

• Mint: Spanish Royal Mint.

Historical Insight:
The coin represents Spain’s transitional period in the late 1970s–1980s, bridging the end of Francoist rule with the establishment of a constitutional monarchy under King Juan Carlos I.

Collecting Note:
Although a common circulation coin, it carries historical significance and adds context to a collection that spans Spain’s pre-euro era.