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![Mahogany Obsidian Volcanic Glass Specimen Group [100]](https://timelineauctions.com/zoom_images/zoomthumb/2/2/228021_900x900.jpg "Mahogany Obsidian Volcanic Glass Specimen Group [100]")
![Mahogany Obsidian Volcanic Glass Specimen Group [100]](https://timelineauctions.com/zoom_images/zoommap/2/2/228021_200x200.jpg "Mahogany Obsidian Volcanic Glass Specimen Group [100]")
![Mahogany Obsidian Volcanic Glass Specimen Group [100]](https://timelineauctions.com/upload/images/items/228021.jpg "Mahogany Obsidian Volcanic Glass Specimen Group [100]")
LOT 2465
Mahogany Obsidian Volcanic Glass Specimen Group [100]
1 1/4 - 2 in. (1.24 kg total, 31-50 mm).
A large quantity of dark brown specimens with contrasting areas. [100, No Reserve]
ProvenanceEx Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
TimeLine 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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Fossil Flexicalymene Trilobite Group
Ordovician Period, circa 510-445 million years B.P.Sold for (Inc. bp): £26
Comprising three fragmentary specimens. 218 grams total, 72-92 mm
From a Cambridgeshire, UK, collection. -
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Historic British Petrology Collection of Rock Specimens
Sold for (Inc. bp): £26
Comprising: volcanic ash from Borrowdale, Cumberland; hornblende from Sutherland; granite-aplite from Devon; and luxullianite; three with old labels. 2 kg total, 10.3-11.4 cm
Found at various sites in the UK. Ex Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
Composite Mosasaur 'Marine Dinosaur' Tooth Matrix
Cretaceous Period, 145-65 million years B.P.Sold for (Inc. bp): £78
Comprising six Mosasaur prognathodon teeth set on a composite matrix. 1.55 kg, 20.5 cm
From Morocco, North Africa. 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.
