Across the rise and fall of global powers, few stories carry the weight and complexity of the Spanish Empire at its height.

The Piece of Eight, a silver coin from the Spanish Empire, emerged as the world's first truly international currency, dominating global trade across continents. Minted from American silver, its purity ...

Long before the US Dollar became the dominant currency of the modern world, there was another coin that ruled global trade, going across oceans and continents with quite an important influence. This ...