captain Wilman encountered yellow - grey rock while on the beach with his dog Madge . He thought 3 kg lump was the sought - after ambergris from sperm whales . But U.S expert said the lump , found in Morecambe , Lancs , is not ambergris . A dealer in New Zealand is named Mr Wilman , 52 , a 2 g lump as a lump .
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 .