A picture taken on January 28, 2013, in Morecambe, north-west England, shows Ken Wilman posing for pictures with his dog Madge and a yellowish stone which he hopes is a rare form of whale vomit, or ambergris. A British man has been offered 50,000 euros for a strange-smelling rock his dog found on a beach, which is likely a rare form of whale vomit used in perfumes, the BBC reported Thursday. AFP PHOTO / NIGEL SLATER/THIS IMAGE IS STRICTLY UK OUTNIGEL SLATER/AFP/Getty Images