AMMONITE CUT AND POLISHED HALVES #142 PREPARED BY THE ARTISANS IN MADAGASCAR. THIS IS A CLEONICERAS AMMONITE AND IS 3 3/4" X 3 1/4" X 1" AND WEIGHS .56 POUNDS. GOOD SHELL COVER WITH RED MOTHER OF PEARL FLASHES. INSIDE ALL OF THE CHAMBERS ARE FILLED. NICE DETAIL.