sentences:  Additionally, there was contraband — a fortune in “unregistered” treasure having been smuggled on board to avoid paying a 20 percent tax to the Spanish king.The Santa Margarita also carried riches in the form of copper, silverware, indigo, and personal possessions of officers, passengers, and crew, including medical tools, navigational instruments, gold coins, and precious jewelry of almost unimaginable opulence.Spain and her creditors awaited the arrival of the fleet anxiously; as its return would refresh the royal coffers, repay loans, and lessen the financial pressures that plagued the kingdom.