MINT00685: Proposal to raise the price of tin to £6 a hundredweight, with calculations of the profit this would generate. The Dutch cannot have much tin in the East Indies or they would be exporting it in quantity already

MINT00687: 'To proue that a quantity of Tin cannot be had in ye East Indies'

MINT00690: Argument for an increase in the price of tin

MINT00691: Memorandum arguing for an increase in the price of tin

MINT00694: John Williams: 'Considerations Relating to the Advancing the Price of Tinne'

MINT00695: Another copy of MINT00694 (Mint 19/3/578-82), missing the first page