A royal letter patent issued by Queen Elizabeth I granting royal assent to the Earl of Derby's nomination of John Mericke as Bishop of the Isle of Man, following the death of the previous bishop John Salesbery. The document affirms the Earl of Derby's hereditary right of patronage over the Manx bishopric and directs ecclesiastical authorities to consecrate and invest the nominee. Presented in both English and Latin (Foedera) versions.