An opalised incomplete skeleton of an extinct reptile, a plesiosaur, estimated at over 100million years old, was put on display at Angus and Coote's King Street store today. Opal miners Mr. and Mrs. John Addyman took three years to unearth the fossil bo

An opalised incomplete skeleton of an extinct reptile, a plesiosaur, estimated at over 100million years old, was put on display at Angus and Coote's King Street store today. Opal miners Mr. and Mrs. John Addyman took three years to unearth the fossil bones at Hallion Hill, Andamooka, Sth. Australia and have it for sale at $50,000.Here Doctor Alex Ritchie, Curator of Fossils at the Australian Museum, is shown examining the vertebrae (centre) while in foreground are the bones of the flippers.In background of picture are two illustrations of what the beastie looked like way back when. October 5, 1971. (Photo by Stuart William MacGladrie/Fairfax Media via Getty Images).