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
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
Sold2016Natural History - Cleoniceras Polished Ammonite PairCretaceous Period, Albian Stage, 113-100 million years BP. A group of two A-grade, cut and polished Cleoniceras sp. ammonites from Madagascar, polished through much of the shell to reveal the calciteSee 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
Sold2019Natural History - Ammonite Display CollectionJurassic Period, 201-145 million years BP. A group of cut and polished ammonite halves revealing the inner chambers, two in old white card trays with A.B. Cotterill Collection, Wollaton, Nottingham, USee 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 Ammonite PlateJurassic Period, 199-145 million years B.P. Comprising a composite of various sized ammonites with polished upper surface. 778 grams, 23 cm wide (9 in.). From Madagascar. From a Lincolnshire, UK, collSee Sold Price
Sold2022Polished Douvilleiceras Ammonite GroupCretaceous Period, circa 150 million years B.P. A group of four Douvilleiceras sp. fossil ammonites (sometimes known as goat horn), polished to reveal rich calcites and striking suture patterns; heldSee Sold Price
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 - Fossil Ammonite GroupJurassic Period, circa 200 million years B.P. Promicroceras planicosta with iron stained surface giving a beautiful contrast in colour, from the Lower Lias, Obtusum Zone. 42.53 grams, 67 mm (2 3/5 in.See 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
Sold2021Polished Douvilleiceras Fossil Ammonite GroupMiddle Cretaceous, Albian Stage, 150 million years BP. A group of three Douvilleiceras sp. ammonites, sometimes known as a goat horn, polished to reveal the rich calcites and striking suture patterns.See Sold Price
Sold2017Natural History - Pyrite Ammonite GroupEarly Jurassic Period, Lower Lias stage, 200-195 million years BP. A group of ten small pyrite ammonites, mainly Crucilobiceros densinodulum and Promicroceras sp from Pentacrinites Band, Stonebarrow,See Sold Price
Sold2019Natural History - Polished Egg GroupA mixed group of polished mineral 'eggs' including onyx, amethyst(?), serpentine(?"). 484 grams total, 48-64mm (2 - 2 1/2"). Ex Thompson collection, Devon, UK. [4, No Reserve]See Sold Price
Sold2017Natural History - Cut & Polished AmmoniteUpper Cretaceous Period (Campanian), 76-75 million years BP. A large ammonite, from Fox Hills Formation, South Dakota, USA, cut and polished displaying the distinctive pattern of the cross-section chaSee Sold Price
Sold2017Natural History - Pyrite Ammonite GroupEarly Jurassic Period, 200-195 million years BP. A group of ten small pyrite ammonites, mainly Crucilobiceros densinodulum and Promicroceras sp. from Pentacrinites Band, Stonebarrow, Charmouth, Lyme RSee Sold Price
Sold2017Natural History - Large Polished AmmoniteJurassic Period, Bacocian Stage, 168-172 million years BP. A large polished oolite Lytoceras sp. chambered ammonite from Arbala, Middle Atlas Mountains, Morocco, with the distinctive pattern of the crSee Sold Price
Sold2017Natural History - Polished Coaster Group20th century AD. A group of six mottled grey and pink agate discoid coasters. 500 grams total, 88mm (3 1/2"). Property of a Hampshire collector; from Mexico. [6, No Reserve]See Sold Price
Sold2023Natural History - Polished Mineral Specimen GroupA mixed group of 50 polished mineral 'pebbles'. 1.12 kg total, 31-45 mm (1 1/4 - 1 3/4 in.). Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [50, No Reserve]See Sold Price
Sold2024Natural History - Polished Fossil Cleoniceras AmmoniteCretaceous Period, circa 113-100 million years B.P. Polished to reveal the internal suture lines, some iridescence to the centre. 188 grams, 93 mm (3 5/8 in.). From Madagascar. From a Lincolnshire, UKSee Sold Price
Sold2023Natural History - Polished Mineral Specimen GroupA mixed group of 50 polished mineral specimens of various types, including haematite, quartz, red jasper, unakite, angelite, and others. 1.19 kg total, 27-44 mm (1 - 1 3/4 in.). Mineral Imports, LondoSee Sold Price
Sold2023Natural History - Polished Mineral Specimen GroupA mixed group of 100 polished mineral 'pebbles'. 1 kg total, 20-34 mm (3/4 - 1 3/8 in.). Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [100, No Reserve]See Sold Price
Sold2016Natural History - Polished Flourite Sphere GroupA pair of fluorite spheres displaying white, green and purple crystal formation and with rainbow reflections; both in a white cardboard display box. From China; from the historic ‘Victorian Museum��See Sold Price
Jun 24Claydon Auctioneers LtdNatural History / Geology Interest: Four polished hardstone specimen eggs to include lapis lazuli,£30
Jun 24Claydon Auctioneers LtdNatural History / Geology Interest: A large polished hardstone specimen sphere. Approx. 6" diameter£30
Jun 24Claydon Auctioneers LtdNatural History / Geology Interest: A quantity of polished hardstone specimen eggs, examples to£20
Jun 24Claydon Auctioneers LtdNatural History / Geology Interest: A quantity of polished hardstone specimen spheres, examples to£30
Jun 24Claydon Auctioneers LtdNatural History / Geology Interest: A quantity of polished hardstone specimen spheres, examples to£30
Jun 24Claydon Auctioneers LtdNatural History / Geology Interest: A quantity of polished hardstone specimen spheres, examples to£30
Jun 23Schilb Antiquarian Rare Books1836 Natural History Mammals Africa Buffalo Oxen Sheep Bulls Illustrated JardineUS$110(7 bids)
Jun 25Freeman's | Hindman[Natural History] Bonaparte, Charles Lucian, and John James Audubon, et al.: American Ornithology; oUS$1,000
Jun 25Freeman's | Hindman[Natural History] [Cuvier, Georges] Wilson, Alexander: American Ornithology; or, the Natural HistoryUS$3,500
Jun 25Freeman's | Hindman[Natural History] Jardine, Sir William, and Prideaux John Selby: Illustrations of OrnithologyUS$3,000
Jul 06Case Antiques, Inc. Auctions & AppraisalsAmerican Ornithology Plates Folio in 2 Vols, A. Wilson and C. BonaparteUS$1,700
Jul 06Case Antiques, Inc. Auctions & AppraisalsLarge March Avery O/C, Central Park, NYC, 1996US$4,000
Jun 23Schilb Antiquarian Rare Books1842 Native American INDIANS Parker Journal Geography Rocky Mt Voyage MormonsUS$9(4 bids)
6 days LeftArader GalleriesPieter Holsteyn, 168 Exceptionally Fine Bound Original Watercolors of the Dutch Empire, c. 1638US$1,500,000