A man from the UK believes his dog has found a rare piece of whale vomit while walking on the beach.
Ken Wilman said when Madge the dog “started poking at a rather large stone” he realised it was unusual.
He left the ambergris on the beach but “something triggered in my mind” and, after doing some research, he went back to get it.
The substance, which is found in the digestive system of sperm whales, is valuable and used in perfume.
Mr Wilman said: “When I picked it up and smelled it I put it back down again and I thought ‘urgh’.
“It has a musky smell, but the more you smell it the nicer the smell becomes.”
He is now waiting to get the 3kg (7lb) piece tested and said he had been offered 50,000 euros (