Absolute one off. Solid SIlver Head, body & keys Sankyo Artist. Shop display model, being sold as Sankyo have now changed the design to 'pointed' keys. Sankyo NEL system  type E donut fitted to make the  high E easier to play (Sankyo version of a Split E system). The flute doesn't have a mark on it, case too. It has only been on display in a shop cabinet.