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![Group of Fifteen [15] Cut and Polished Agate Geode Slices and Halves](https://timelineauctions.com/zoom_images/zoomthumb/2/5/256013_900x900.jpg "Group of Fifteen [15] Cut and Polished Agate Geode Slices and Halves")
![Group of Fifteen [15] Cut and Polished Agate Geode Slices and Halves](https://timelineauctions.com/zoom_images/zoommap/2/5/256013_200x200.jpg "Group of Fifteen [15] Cut and Polished Agate Geode Slices and Halves")
![Group of Fifteen [15] Cut and Polished Agate Geode Slices and Halves](https://timelineauctions.com/upload/images/items/256013.jpg "Group of Fifteen [15] Cut and Polished Agate Geode Slices and Halves")
LOT 2290
Group of Fifteen [15] Cut and Polished Agate Geode Slices and Halves
2 - 5 5/8 in. (1.68 kg total, 5.3-14.2 cm).
Comprising five translucent, polished slices and ten cut and polished geode sections. [15, 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 2290
Group of Fifteen [15] Cut and Polished Agate Geode Slices and Halves
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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![Group of Ten [10] Cut and Polished Agate Geode Slices](https://timelineauctions.com/upload/images/items/small/256011-s.jpg)
Group of Ten [10] Cut and Polished Agate Geode Slices
Estimate: £20 - 30 (+bp*)
Opening Bid: £5
Comprising ten polished transparent to translucent slices, some with crystal-lined centres, and one with dendritic inclusions. 844 grams total, 9-14 cm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
![Group of Thirty-Two [32] Cut Half Agate Geode and Blue Calcite Mineral Specimens](https://timelineauctions.com/upload/images/items/small/255989-s.jpg)
Group of Thirty-Two [32] Cut Half Agate Geode and Blue Calcite Mineral Specimens
Estimate: £20 - 30 (+bp*)
Opening Bid: £5
Boxed group of cut agate geodes, most with crystal-lined cavities, and pale-blue calcite specimens. 1.85 kg total, 29-52 mm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
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.
