"Legally speaking, the Golden Grape was not a true ‘wreck’. Medieval statutes, still in use in the 17th century, established that if ‘a man, a dog, or a cat escape quick out of the ship’, then it was subject to the usual laws of ownership."

https://www.lrb.co.uk/the-paper/v45/n08/tom-johnson/sleeves-full-of-raisins