Pieces of Eight Crossword

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Across
  1. 2. Something that Spanish pieces of eight were exchanged for in Manila
  2. 4. Spanish treasure mountain in Bolivia
  3. 8. "____ un potosi" - what Spaniards nowadays say when something is worth a fortune!
  4. 9. Ocean where Spanish treasure fleets sailed with silver
Down
  1. 1. Spanish king who said, "In silver lies the security and strength of my monarchy"
  2. 3. An Asian empire where Spanish pieces of eight were traded
  3. 5. This dangerous substance poisoned workers in the Potosí mines
  4. 6. The type of labour force used in Potosí after local workers died
  5. 7. What a piece of eight was also known as