Block numbered in two places: 875., Image of many boats in a harbor in the midst of a battle; the boats in the foreground are all powered by many rowers; some of these boats have sails and some do not; several boats and a tower crowded with man figures fly a flag with three crescents (i.e. the flag of the Ottoman Empire); ships with several sails are visible in the distance; possible a crusade scene., , Provenance:, , Variant: