Sold2017Natural History - Polished Ammonite Fossil SpecimenJurassic Period, 200-145 million years BP. A sawn and polished pair of ammonite halves from Madagascar, showing its inner chambered structure, in an old white card tray with label reading: 'AMMONITE,See Sold Price
Sold2023Natural History - Polished Douvilleiceras Fossil Ammonite GroupMiddle Cretaceous Period, circa 150 million years B.P. Comprising three Douvilleiceras sp. specimens (sometimes known as a Goat Horn), polished to reveal rich calcites and suture patterns. 160 grams tSee Sold Price
Sold2019Natural History Fossil Fish and Ammonite GroupCretaceous Period, 200-65 million years BP. Group comprising: a small ammonite, cut and polished in two halves, with two small fossil fish specimens, in matrix. 618 grams total, 3.2-14.7cm (1 1/4 - 5See Sold Price
Sold2023Natural History - Polished Fossil Ammonite PlateJurassic Period, circa 199-145 million years B.P. A composite plate containing a large number of variously sized ammonites, polished upper face. 835 grams, 24.7 cm (9 3/4 in.). From Madagascar. From aSee Sold Price
Sold2015Natural History - Fossil Polished AmmoniteBacocian stage of the Jurassic Period, 168-172 million years BP. A large polished chambered ammonite Oolite sloenbachia sp. from Arbala, Middle Atlas Mountains, Morocco. 740 grams, 15cm (6"). PropertySee Sold Price
Sold2021Natural History Huge 18" Fossil Ammonite SpecimenArt by God, A Natural History Fossil Ammonite Specimen. This is a great pre historical conversation piece for the home or office. Museum quality and investment worthy. SHIPPINGHill Auction Gallery wilSee Sold Price
Sold2024Natural History - Cut and Polished Fossil AmmoniteCretaceous Period, circa 150 million years B.P.. Cleoniceras sp. displaying the distinctive pattern of the cross-section chambers. 269 grams total, 10.5-10.7 cm (4 1/8 - 4 1/4 in.). From Madagascar.CoSee Sold Price
Sold2023Natural History - Cut and Polished Fossil AmmoniteMiddle Cretaceous Period, circa 150 million years B.P. Cleoniceras sp. displaying the distinctive pattern of the cross-section chambers, some iridescence to outer surfaces. 220 grams, 95 mm each (3 3/See Sold Price
Sold2023Natural History - Cut and Polished Fossil AmmoniteJurassic Period, 199-145 million years B.P. A pair of cut and polished fossil ammonite halves, each displaying the gas chambers; possibly Cleoniceras sp. 172 grams total, 95-97 mm (3 3/4 - 3 7/8 in.).See Sold Price
Sold2023Natural History - Cut and Polished Fossil AmmoniteMiddle Cretaceous Period, 150 million years B.P.. Polished to reveal the distinctive structure of the Cleoniceras sp. chambers, some iridescence. 124 grams total, 77-81 mm (3 - 3 1/8 in.). From MadagaSee Sold Price
Sold2017Natural History - Cut and Polished Fossil AmmoniteCretaceous Period, Albian Stage, 113-100 million years BP. A group of eight small A-grade cut and polished Cleoniceras sp. ammonites from Madagascar, with the distinctive pattern of the cross-sectionSee Sold Price
Sold2023Natural History - Polished Goniatite Button Fossil Ammonite GroupDevonian Period, 417-354 million years B.P. A group of five polished Goniatite sp. fossil ammonite 'buttons'. 590 grams total, 73-86 mm (2 7/8 - 3 3/8 in.). From Morocco, North Africa.Ex CambridgeshirSee Sold Price
Sold2023Natural History - Polished Fossil Goniatite Book EndsDevonian Period, circa 417-354 million years B.P. Cut and polished from a single fossiliferous block and each side set with a large Goniatite sp. specimen. 3.4 kg total, 15.3 cm high each (6 in.). FroSee Sold Price
Sold2024Natural History - Polished Fossil Goniatite GroupDevonian Period, circa 417-354 million years B.P. Comprising three polished, dome-shaped masses, each with a central Goniatite sp. specimen. 368 grams total, 70-75 mm (2 3/4 - 3 in.). From the Atlas MSee Sold Price
Sold2024Natural History - Polished Orthoceras Book End PairDevonian Period, circa 417-354 million years B.P.. Each polished and cut from a single block containing multiple Orthoceras sp. and other fossil specimens. 1.95 kg total, 12.2 cm high (4 3/4 in.). FroSee Sold Price
Sold2015Natural History - Polished Orthoceras Fossil TowerSilurian Period, 400 million years BC. A free-standing pillar of orthoceras-rich matrix, with four specimens exposed and polished. 1.4 kg, 23cm (9"). From an important London collection, acquired in tSee Sold Price
Sold2023Natural History - Large Polished Goniatite Fossil DisplayUpper Devonian Period, 370 million years B.P.. The freestanding textured matrix containing four specimens. 1.77 kg, 18 cm high (7 1/8 in.). Ex Cambridgeshire, UK, collection. [No Reserve]See Sold Price
Sold2016Two Natural History Specimens: Ammonite & BlackTwo natural history items, including: Placenticeras ammonite fossil, unearthed near Wasta, South Dakota; together with black tourmaline and quartz specimen; L: 11 1/4" (larger, approx.)See Sold Price
Sold2022Ammonite, Fossil, Rock, Natural, Collectible, Specimen, PolishedFossil Ammonite Polished Madagascar 4.1"See Sold Price
Sold2022Ammonite, Fossil, Rock, Natural, Collectible, Specimen, PolishedFossil Ammonite (Polished) Madagascar 4.8"See Sold Price
Sold2022Ammonite, Fossil, Rock, Natural, Collectible, Specimen, PolishedAmmonite (Polished) Madagascar 4.6"See Sold Price
Sold2022Ammonite, Fossil, Rock, Natural, Collectible, Specimen, PolishedFossil Ammonite Polished MadagascarSee Sold Price
Sold2022Ammonite, Fossil, Rock, Natural, Collectible, Specimen, PolishedFossil Ammonite (Polished) MadagascarSee Sold Price
Sold2022Ammonite, Fossil, Rock, Natural, Collectible, Specimen, PolishedFossil Ammonite Polished Madagascar 3.9"See Sold Price
Jun 07TimeLine Auctions Ltd.Natural History - Polished Fossil Orthoceras and Goniatite Stand on Rock£5