5 Euros Zaragoza

Issued to mark Zaragoza's role in the broader Spain numismatic municipal series, this piece draws on the city's position as capital of Aragon — the medieval kingdom whose union with Castile under Ferdinand and Isabella in 1469 effectively created the political foundation of modern Spain. Zaragoza itself had been a Roman colonial city, Caesaraugusta, before becoming a Moorish stronghold until its reconquest in 1118 by Alfonso I of Aragon.

The .925 fineness places it in the sterling standard the Real Casa de la Moneda adopted for collector silver across this run.