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![Group of Six [6] Large Cut, Polished and Felt-Backed Agate Coasters](https://timelineauctions.com/zoom_images/zoomthumb/2/5/251024_900x900.jpg "Group of Six [6] Large Cut, Polished and Felt-Backed Agate Coasters")
![Group of Six [6] Large Cut, Polished and Felt-Backed Agate Coasters](https://timelineauctions.com/zoom_images/zoommap/2/5/251024_200x200.jpg "Group of Six [6] Large Cut, Polished and Felt-Backed Agate Coasters")
![Group of Six [6] Large Cut, Polished and Felt-Backed Agate Coasters](https://timelineauctions.com/upload/images/items/251024.jpg "Group of Six [6] Large Cut, Polished and Felt-Backed Agate Coasters")
LOT 2729
Group of Six [6] Large Cut, Polished and Felt-Backed Agate Coasters
4 3/8 - 5 3/8 in. (865 grams total, 11-13.8 cm).
A graduated set of highly polished slices, each showing brown to beige banding, four showing nearly straight colour bands. [6, 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.
LOT 2729
Group of Six [6] Large Cut, Polished and Felt-Backed Agate Coasters
Sold for (Inc. bp): £13
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Mosasaur 'Marine Dinosaur' Fossil Skull
Cretaceous Period, circa 145-65 million years B.P.Sold for (Inc. bp): £6,500
A magnificent, full three-dimensional fossil skull of a juvenile Mosasaur Prognathodon with upper and lower mandibles, eye sockets and brain cavity; including jaw teeth and throat teeth; some restoration; with custom-made display stand. 8.35 kg total including stand and box, 46 cm wide
From Morocco, West 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. -
Cut and Polished Amethyst Slice
Sold for (Inc. bp): £59
An irregular slab of amethyst 'chevrons'. 176 grams, 12 cm
From a Cambridgeshire, UK, collection. -
Large Spinosaurus Dinosaur Fossil Tooth
Cretaceous Period, circa 125-113 million years B.P.Sold for (Inc. bp): £39
Displaying deep brown patina, repaired. 18.86 grams, 63 mm
From Morocco, North Africa. From a Cambridgeshire, UK, collection.
The Spinosaurus was both a beachcomber type scavenger and an active hunter taking small stranded Plesiosaurs, Pterosaurs, turtles and large fish; adults weighed up to 21 tonnes and grew up to 18 meters long.
