Ken Wilman found yellow-grey rock while on the beach with his dog Madge . The discovery was made by a local fisherman who had been out fishing when he spotted something unusual in the sand. But U.S expert said the rock , found in Morecambe , Lancs , is not ambergris . A dealer in New Zealand is sending Mr Wilman , 52 , a 2g piece as a gesture .
Ken Wilman found yellow-grey rock while on the beach with his dog Madge . He thought 3kg lump was the sought-after ambergris from sperm whales . But U.S expert said the rock , found in Morecambe , Lancs , is not ambergris . A dealer in New Zealand is sending Mr Wilman , 52 , a 2g piece as a gesture .