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LOT 2507
Fossil Shark Tooth and Fish Bone Group
EOCENE PERIOD, CIRCA 56-33 MILLION YEARS B.P.
3 6/8 - 4 3/8 in. (612 grams total, 95 - 111 mm).
Comprising three sandstone matrices containing Otodus obliquus, Mosasaur prognathodon, and other teeth and fish bone fragments. [3, No Reserve]
ProvenanceFrom a Cambridgeshire, UK, collection.
CONDITIONTimeLine Auctions follows a vetting process to ensure the authenticity and legality of all items, reinforcing our commitment to integrity and responsible trading. Each antiquity, antique, and coin lot undergoes thorough examination by a vetting committee of at least ten external specialists, professional trade association members, scientists, and archaeologists: Our Vetting Process
AUCTIONS:
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Large Rainbow-coloured Carborundum Crystal Display Specimen
Sold for (Inc. bp): £46
A large cluster of silicon carbide showing beautiful iridescence. 1 kg, 16 cm
From the private collection of Kenneth Machin (1936-2020), Buckinghamshire, UK; his collection of antiquities and natural history was formed since 1948; thence by descent.
Carborundum rarely occurs in nature, but is commercially formed by heating carbon and silicon at very high temperatures, producing extremely strong bands of crystals. -
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Polished Fossil Bivalve Group
Jurassic Period, circa 160 million years B.P.Sold for (Inc. bp): £13
Comprising two complete polished bivalves. 298 grams total, 69-76 mm
From Morondava River Basin, Atsimo-Andrefana Region, Southwest Madagascar. From an old Oxfordshire, UK, fossil and mineral collection. -
Fossil Grasshopper Pair
Cretaceous Period, 108-92 million years B.P.Sold for (Inc. bp): £7
Comprising two specimens on matrices. 218 grams total, 77-97 mm
From Brazil. From a Lincolnshire, UK, collection.
