Spanish dollar

A large silver coin minted across the Spanish Empire, widely used in international trade and commonly divided into eight reales. Its consistent weight and silver content made it a trusted currency across several continents.

Real (Spanish coin): A Spanish monetary unit and silver coin that served as the basic denomination of the Spanish dollar. Eight reales made up the standard Spanish dollar.
Spanish colonial mints: Royal mints established in Spanish territories to produce coins from locally mined precious metals. American mints supplied much of the silver used for Spanish dollars.
Manila galleon: A Spanish shipping route linking Manila and Acapulco from the sixteenth to the early nineteenth century. Spanish dollars carried American silver into Asian markets along this route.
Spanish Empire: A global empire ruled by Spain from the late fifteenth century into the nineteenth century. Its territories and trade networks enabled the coin’s wide distribution.
Milled coinage: Coinage produced by machine-powered presses, typically with regular shapes and detailed designs. Milled Spanish dollars offered a more uniform alternative to earlier hand-struck pieces.
Piece of eight: A common name for the Spanish dollar, derived from its value of eight reales. The name captures the coin’s standard division into eight units.
Potosí mint: A royal mint in Potosí, in present-day Bolivia, that struck silver coins from nearby mines. Its output connected Andean silver production to overseas trade.
China trade silver: The flow of silver into China through international commerce, especially from the sixteenth through nineteenth centuries. Chinese demand helped sustain the Spanish dollar’s role in Asian trade.
Spanish conquest of the Aztec Empire: The Spanish campaign that brought the Aztec Empire under Spanish rule between 1519 and 1521. Conquest established Spanish control over regions that later produced silver for coinage.
Trade dollar: A silver coin issued by the United States from 1873 to 1885 to compete in Asian trade. It followed the Spanish dollar’s model of a large trade-oriented silver coin.

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