Sold2023Natural History - Fossil Seed Fern PairMiddle Pennsylvanian Period, circa 300 million years B.P.. Comprising two pairs of Pecopteris sp. 131 grams total, 54-65 mm (2 1/8 - 2 1/2 in.). From the Mazon Creek Fossil Beds, Braidwood, Illinois,See Sold Price
Sold2024Natural History - Fossil Fern NoduleCarboniferous Period, 345-280 million years B.P. An opened nodule with a pair of fern fossils. 108 grams total, 54-58 mm (2 1/8 - 2 1/4 in.). From a Lincolnshire, UK, collection. Property of a CambridSee Sold Price
Sold2015Natural History - Neuropteris Fossil FernEarly Carboniferous Period, 300 million years BP. A fossil of the seed fern Neuropteris cordata comprising a stalk of the plant to one face and a stalk and frond imprint to the other; with old GregorySee Sold Price
Sold2015Natural History - Neuropteris Fossil FernCarboniferous Period, 350 million years BP. An outer section of the seed fern Neuropteris semirecticulatum with good preservation of the attachment points for the seed-bearing fronds, with old GregorySee Sold Price
Sold2023Natural History - British Fossil Fern GroupCarboniferous Period, circa 310 million years B.P. A group of three fern specimens including Alethopteris sp. and Sphenopteris laurenti. 281 grams total, 76-87 mm (3 - 3 3/8 in.). From the Middle CoalSee Sold Price
Sold2024Natural History - Fossil Pennsylvania Fern on MatrixCarboniferous Period, circa 345-280 million years B.P. Comprising four bifacial matrices with Pecopteris sp. ferns. 160 grams total, 7.5-10.5 cm (3 - 4 1/8 in.). From a Cambridgeshire, UK, collection.See Sold Price
Sold2023Natural History - Fossil Goniatite Bookend PairDevonian Period, 417-354 million years B.P. Comprising a pair of polished fossiliferous matrices set with a polished Goniatite ammonite. 3.4 kg total, 15 cm high (5 7/8 in.). From a Cambridgeshire, UKSee Sold Price
Sold2023Natural History - Orthoceras Fossil Book End PairDevonian Period, 417-354 million years B.P. A pair of polished fossil book ends, each trapezoidal and displaying a raised Orthoceras sp. fossil. 2 kg total, 12 cm high each (4 3/4 in.). From Morocco,See Sold Price
Sold2023Natural History - Large Fossil Echinoid Display PairCretaceous Period, circa 100 million years B.P.. Featuring two echinoid specimens in an irregular matrix. 2.8 kg, 17.5 cm (7 in.). From Morocco, North Africa. [No Reserve]See Sold Price
Sold2023Natural History - British Dactylioceras Fossil Ammonite PairJurassic Period, circa 200-190 million years B.P.. The matrix with two Dactylioceras tenuicostatum fossil ammonite specimens. 1.6 kg, 14 cm (5 1/2 in.). From the Holderness Coast, Yorkshire, UK. [No RSee Sold Price
Sold2024Natural History - Fossil Permian Plants and Ferns on MatrixPermian Period, 298-252 million years B.P. Comprising two irregular matrices, each with multiple plant and fern fossils. 318 grams total, 10.6-20 cm (4 1/8 - 7 7/8 in.). From Saxony, Germany. From a CSee Sold Price
Sold2024Natural History - Cut and Polished Fossil Ammonite PairCretaceous Period, circa 113-100 million years B.P. Comprising a polished Cleoniceras sp. ammonite cut into halves and showing the internal crystallisation of the gas chambers. 124 grams total, 69 mmSee Sold Price
Sold2019Natural History - Large Whitby Fern FossilMiddle Jurassic, Dogger Formation, 174-163 million years BP. A large split nodule showing negative and positive aspects of multiple fossil fern leaves. 402 grams, 11.5cm (4 1/2"). Property of a NorthSee Sold Price
Sold2024Natural History - Fossil North American Tyrannosaurus Rex Dinosaur CoprolitesCretaceous Period, circa 145-65 million years B.P. A pair of coprolites (fossilised dung) from a North American tyrannosaurid dinosaur. 85 grams total, 37-43 mm (1 1/2 - 1 5/8 in.). From a LincolnshirSee Sold Price
Sold2023Natural History - Fossil Dicranurus TrilobiteDevonian Period, 417-354 million years B.P. Showing the pair of horn-like spines behind the glabellum, specific for Dicranurus monstrosus trilobite; on a matrix. 468 grams, 13.2 cm (5 1/4 in.). From aSee Sold Price
Sold2023Natural History - Fossil Shrimps in MatricesCretaceous Period, 145-65 million years B.P. A pair of rectangular sedimentary matrices, each containing a fossil shrimp. 139 grams total, 56-71 mm (2 1/4 - 2 3/4 in.). From Lebanon.Ex Lincolnshire, USee Sold Price
Sold2015Natural History - Fossil Coral ColonyDevonian Period, 416-359 million years BP. A large fossil coral colony specimen pair, polished on one side to reveal the detail and colour of the species Arachnophyllum pentagonam, from Assa Zag, WestSee Sold Price
Sold2024Natural History - Fossil March Flies on MatrixEocene Period, 56-33 million years B.P. Comprising a pair of matrices, each with two Pleciapealei fossils. 410 grams total, 83-93 mm (3 1/4 - 3 5/8 in.). From a Lincolnshire, UK, collection. PropertySee Sold Price
Sold2024Natural History - Fossil March Flies on MatrixEocene Period, circa 56-33 million years B.P. Comprising a pair of matrices, each with two Pleciapealei fossils. 252 grams total, 76-81 mm (3 - 3 1/8 in.). From a Lincolnshire, UK, collection. PropertSee Sold Price
Sold2022Fern, Fossil, Rock, Natural, Collectible, Specimen,Fossil Fern Pairs Mazon, Illinois 300 M.Y.O. Pecopteris Annularia NeuropterisSee Sold Price
Sold2024Natural History - Double Fossil Shrimp PlateCretaceous Period, circa 145-65 million years B.P. A rectangular matrix with a pair of fossil shrimps and a partial fossil to the side. 183 grams, 91 mm (3 5/8 in.). From Lebanon. From a Lincolnshire,See Sold Price
Sold2023Natural History - Elrathia Fossil TrilobitesMiddle Cambrian Period, circa 500 million years B.P. A pair of irregular matrices, each containing an Elrathia sp. fossil trilobite. 160 grams total, 62-83 mm (2 3/8 - 31/4 in.). Ex Lincolnshire, UK,See 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
Sold2021Fern, Fossil, Rock, Natural, Collectible, Specimen,4 Pair Fossil Ferns Coal City, Illinois 300 M.Y.O. PecopterisSee Sold Price
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Jun 25Freeman's | Hindman[Natural History] [Cuvier, Georges] Wilson, Alexander: American Ornithology; or, the Natural History$3,500
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