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LOT 2518
Polished Double Fossil Mamite Display
CRETACEOUS PERIOD, CIRCA 90 MILLION YEARS B.P.
6 1/2 in. (1.43 kg, 16.5 cm wide).
Two horned ammonites with regularly disposed spines to the outer shell. [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:
TimeLine is a leading auction house specialising in antiquities, ancient art, collectables, natural history, coins, medals, and books. Our auctions offer museums, collectors, historians, and enthusiasts the opportunity to acquire unique and historically significant pieces.
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White Quartz Crystal Display
Cretaceous Period, circa 140-120 million years B.P.Estimate: £1,000 - 1,400 (+bp*)
Opening Bid: £550
A polished geode section with large prismatic quartz crystals in flower-like radiating clusters; mounted on a custom-made display stand. 16.4 kg, 30 x 34 x 23 cm, 35 cm including stand
From Artigas, Uruguay. Property of a London lady. -
Fossil Asaphus Trilobite in Matrix
Middle Ordovician, circa 470-458 million years B.P.Sold for (Inc. bp): £59
Asaphus lepidurus with a semicircular headshield and tailshield separated by well-defined ribs. 65 grams, 54 mm
From the Putilova River, Volchov, St. Petersburg, Russia. 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. -
Agate and Amethyst 'Window' Display
Cretaceous Period, circa 140-120 million years B.P.Estimate: £1,800 - 2,400 (+bp*)
Current Winning Bid: £1,100
Polished geode section with six rounded openings creating windows to the inside of the geode, the internal walls lined with vibrant purple amethyst crystals; mounted on a custom-made display stand. 3.15 kg, 24.5 x 16 x 11 cm, 35.5 cm including stand
From Artigas, Uruguay. Property of a London lady.
