ARCHIVED: Asteroceras Obtusum Ammonite 281mmThe Asteroceras naturalistically positioned ammonite prepared and contained in the original limestone partial boulder, once the fine muds of the Jurassic seabed, now transformed into limestone. Discovering an ammonite of this calibre, completeness, and size, Asteroceras is a rare event. Add to this the completeness, preservation, and quality of the preparation of this uncommon specimen type exhibiting suture patterning, and excellent colours of