Bidspirit auction | Natural History - Cut and

Natural History - Cut and Polished Fossil Ammonite - Middle Cretaceous Period, circa 150 million years B.P.. Cleoniceras sp. displaying the distinctive pattern of the cross-section chambers. 360 grams total, 11.3-11.5 cm (4 1/2 in.). From Madagascar.Collected between 1930 and 1960.From the collection of the palaeontologist R Gledhill. [2, No Reserve]