patent roll 1266-72 p674
Quittance for five years at the instance of brother John de Derlington,
of Hamo Box, citizen of London, in consideration of his losses as well
in the time of the disturbance in the realm as afterwards, from all
the king's tallages and prises in that city and elsewhere, except the
right prises and on condition that he do the other due and right
customs in respect of his merchandise, and protection for him.