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LOT 2338
Two Large Cut and Polished Agate Geode Slices
6 3/8 - 6 3/4 in. (478 grams total, 16.1-17 cm).
Two highly polished translucent slices with brown and grey banding with quartz crystal formation inside, one resembling a 'smiley face'. [2, 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 2338
Two Large Cut and Polished Agate Geode Slices
Estimate £20 - 30€23 - 35 (for guidance only)$27 - 41 (for guidance only)
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Fossil Tylosaurus Marine Dinosaur Vertebra
Late Cretaceous Period, circa 92-66 million years B.P.Estimate: £30 - 40 (+bp*)
Bids: 2 | Current 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. -
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 Diplomystus Fish in Matrix
Eocene Period, 58-36 million years B.P.Estimate: £30 - 40 (+bp*)
Bids: 4 | Current Bid: £17
On a rectangular matrix, showing good spine and tail detail. 469 grams, 18 cm
From Green River formation, Wyoming, 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.
