Rare Callovian, Middle Jurassic double Ammonite from East Yorkshire, England Sigaloceras calloviense

A well preserved example this British ammonite.  Found:- Cave Rock, Kellaways Sand, Enodatum Subzone, Calloviense Zone, Callovian, Middle Jurassic, South Cave, Nr. Hull, East Yorkshire, England Age:- 160 Million Years Old Ammonite Size = 6 cm (2.25 inches) in diameter x 2.