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LOT 2466
Polished Orthoceras Fossil Coaster Set
DEVONIAN PERIOD, CIRCA 400 MILLION YEARS B.P.
3 5/8 in. (700 grams total, 91 mm).
Comprising a set of six round coasters and a holder, carved from fossiliferous stone. [No Reserve]
ProvenanceEx 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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LOT 2466
Polished Orthoceras Fossil Coaster Set
Estimate £30 - 40€35 - 46 (for guidance only)$41 - 54 (for guidance only)
Opening Bid
£5 (EUR 6; USD 7) +BP*
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Fossil Tylosaurus Marine Dinosaur Vertebra
Late Cretaceous Period, circa 92-66 million years B.P.Estimate: £30 - 40 (+bp*)
Opening Bid: £5
The main body of a vertebra with two raised ridges underneath, likely a pygal or caudal vertebra; old inked collector's number 'VR26'. 622 grams, 96 mm
From near Harlan County Dam, Nebraska, USA. 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.
Tylosaurus was an apex marine predator during the Late Cretaceous period, and is classified in the superfamily Mosasauroidea. -
Cathedral Geode Half with Amethyst and Calcite Crystals
Estimate: £1,800 - 2,400 (+bp*)
Opening Bid: £900
The cathedral lined with large deep purple amethyst crystals, white dog tooth calcite crystals emerging from the left corner; mounted on a custom-made display stand. 17.35 kg, 35 cm
From Artigas, Uruguay. Property of a London lady. -
Fossil Fern in Matrix
Triassic Period, circa 228-208 million years B.P.Estimate: £20 - 30 (+bp*)
Opening Bid: £5
Thinnfeldia talgarbarensis showing two branching leaves on a matrix. 91 grams, 95 mm
From the Blackstone formation, Dinmore Quarry, Queensland, Australia. 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.
