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LOT 2440
Large Cut and Polished Banded Blue Agate Geode Slice Artefact Base
7 7/8 in. (1.07 kg, 20 cm).
Thick, oval slice of a geode showing contrasting grey banding with some quartz crystals at the centre. [No Reserve]
ProvenanceFrom Brazil.
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
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AUCTIONS:
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LOT 2440
Large Cut and Polished Banded Blue Agate Geode Slice Artefact Base
Estimate £20 - 30€23 - 35 (for guidance only)$27 - 41 (for guidance only)
Opening Bid
£5 (EUR 6; USD 7) +BP*
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Post Medieval Blue Glass Bead Necklace String
20th century A.D.Estimate: £50 - 70 (+bp*)
Opening Bid: £5
Composed of spherical, melon, and other beads, central feature a facetted biconical bead; restrung. 30 grams, 36.5 cm
From the London, UK, art market in the 1990s. -
Fossil Mosasaur 'Marine Dinosaur' Tooth Pair
Cretaceous Period, circa 145-65 million years B.P.Estimate: £40 - 60 (+bp*)
Bids: 1 | Current Bid: £5
Comprising two teeth showing good brown enamel, repaired. 74 grams total, 75-78 mm
From a Cambridgeshire, UK, collection.
The Mosasaur is an extinct, large marine reptile dinosaur with an elongated body, long snout and paddle-like limbs. Found worldwide, they competed with other well-known sea predators of the Late Cretaceous, such as plesiosaurs and ichthyosaurs, for food, existing primarily on a diet of ammonoids, cuttlefish and fish. -
Fossil Harpes Trilobite in Matrix
Middle Devonian Period, circa 380 million years B.P.Estimate: £30 - 40 (+bp*)
Opening Bid: £5
With an ovate cephalon and an outer bilaminar brim extending posteriorly to long genal prolongations. 475 grams, 99 mm
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.
