He obtained 150,000 ducats towards the expenses of the expedition from Henry VIII.
They were of 2, 3 and io ducats weight.
Later the cost was put at 280-300 ducats (r40 - b50).
His New Year's presents were reckoned by Giustiniani at 15,000 ducats, and the emperor paid - or owed - him 18,000 livres a year.
" The favourite sold his patent to some Genoese merchants for 25,000 ducats "; these merchants obtained the slaves from the Portuguese; and thus was first systematized the slave trade between Africa and America.