If proven to be ambergris, a valuable substance in perfumes, find could be worth thousands of dollars.
Ambergris, the more savoury term for whale vomit, has been used in perfumes for centuries and appears in the classic American novel Moby Dick.
Now this rare substance, produced only by sperm whales, could make one British beachcomber a lot of money.
Al Jazeera's Gerald Tan explains.
Source: Al Jazeera